On YouTube, 500 hours of video are uploaded every minute. (as at end 2019)

"Scientists do not join hands every Sunday and sing 'Yes gravity is real! I will have faith! I believe in my heart that what goes up must come down. Amen!' If they did, we would think they were pretty insecure about the concept." [Dan Barker, former preacher, musician, b. 1949]

"There is no greater fallacy than the belief that aims and purposes are one thing, while methods and tactics are another." [Emma Goldman, Russian/US social activist, 1869-1940]

"There is nothing new except what is forgotten." [Rose Bertin, French dressmaker, 1747-1813]

"The illusion which exalts us is dearer to us than ten thousand truths." [Aleksandr Pushkin, Russian poet, novelist, and playwright, 1799-1837]

"Whatever you're meant to do, do it now. The conditions are always impossible." [Doris Lessing, British Nobel Prize-winning writer, 1919-2013]

Why East Asians do well in math https://www.intmath.com/blog/why-east-asians-do-well-in-math/1953

Against the Gods: The Remarkable Story of Risk author Peter Bernstein, interview: https://www.youtube.com/watch?v=MKcZtvwch1w

"Not thinking critically, I assumed that the 'successful' prayers were proof that God answers prayer while the failures were proof that there was something wrong with me." [Dan Barker, US musician, b. 1949]

Making Music With a Mobius Strip by George Hart https://www.simonsfoundation.org/2013/08/12/mathematical-impressions-making-music-with-a-mobius-strip/

"A bookstore is one of the only pieces of evidence we have that people are still thinking." [Jerry Seinfeld, US comedian, b. 1954]

"Kindness is more important than wisdom, and the recognition of this is the beginning of wisdom." [Theodore Rubin, US psychiatrist and writer, 1923-2019]

Keen readers "do better at maths" http://www.bbc.com/news/education-24046971 (BBC Education News, 2013 article)

The only reliable statistics are those you faked yourself.

"If life's lessons could be reduced to single sentences, there would be no need for fiction." [Scott Turow, author and lawyer, b. 1949]

"Pythagorize" means "To philosophize or speculate in the manner of the Pythagoreans", or "To convert one (person or thing) into another". Challenge: use the word in your next math assignment!

Old math teachers never die, they just lose control of their functions.

How many math teachers does it take to screw in a light bulb? Answer: It's left to the reader as an exercise.

Old math teachers never die, they just go off on a tangent.

"I am ill at these numbers." [William Shakespeare] Hamlet, to Ophelia.

"There is also an artificial aristocracy founded on wealth and birth, without either virtue or talents. The artificial aristocracy is a mischievous ingredient in government, and provisions should be made to prevent its ascendancy." [Thomas Jefferson, 3rd US president, 1743-1826]

Today is Joseph L. Lagrange's birthday (25Jan1736). Italian-French mathematician and astronomer.

As @albomp.bsky.social increases our defence dependence on the US, the US is adjusting its priorities away from supporting allies. I urge we adopt Canadian PM Carney's response. #AUKUS #auspol

Old calculus teachers never die, they just disintegrate.

JSXGraph: interactive javascript graphs https://www.intmath.com/blog/jsxgraph-interactive-javascript-graphs/4579

"Give a man a fish and you feed him for a day. Teach a man to fish and you will realize why some people think golf is exciting."

"He who has a why to live for can bear almost any how." [Friedrich Nietzsche]

"Poplarism sought to unite the unemployed and employed by establishing a discourse, embodied in policy, that no working person should be allowed to fall below a level set by a measure of human need." See https://en.wikipedia.org/wiki/Poplar_Rates_Rebellion

"What for centuries raised man above the beast is not the cudgel but the irresistible power of unarmed truth." [Boris Pasternak, Russian poet and novelist, 1890-1960] (A cudgel is a weapon, a club.)

"The function of education is to teach one to think intensively and to think critically. Intelligence plus character – that is the goal of true education." [Martin Luther King, Jr., US civil-rights leader, 1929-1968]

"Compassion, in which all ethics must take root, can only attain its full breadth and depth if it embraces all living creatures and does not limit itself to mankind." [Albert Schweitzer, philosopher, physician, musician, Nobel laureate, 1875-1965]

"We all too often have socialism for the rich and rugged free market capitalism for the poor." [Martin Luther King, Jr., US civil-rights leader, 1929-1968]

Wolfram|Alpha is a great math tool: https://www.wolframalpha.com/input/?i=integral+1%2Fx%5E3+from+1+to+6

One micrometer is 1 millionth of a meter (10^-6). Eg: A human hair is about 50 micrometers wide.

No wonder people vote for climate change deniers. 27% of Americans don't accept Earth goes around the sun, human evolution (48%) or the big bang (61%) https://bit.ly/2IjKiiM (NSF)

"Life can't be cured, but it can be managed." [Ned Vizzini, US author, 1981-2013]

Excellent list of data visualizations: https://www.smashingmagazine.com/2007/08/data-visualization-modern-approaches/ (2007 article)

One nanometer is one billionth of a meter (10^-9). Eg: Green light has a wavelength of 550 nm.

"We received this world as an inheritance from past generations, but also as a loan from future generations, to whom we will have to return it!" [Pope Francis]

Data visualization of regions and life expectancies: https://www.google.com/publicdata/directory (Google Public Data)

"Truth, in matters of religion, is simply the opinion that has survived." [Oscar Wilde, Irish poet and playwright, 1854-1900]

"There is always more goodness in the world than there appears to be, because goodness is of its very nature modest and retiring." [Evelyn Beatrice Hall, English biographer, 1868-1956]

"The radical novelty of modern science lies precisely in the rejection of the belief ... that the forces which move the stars and atoms are contingent upon the preferences of the human heart." [Walter Lippmann, journalist, 1889-1974]

The super-rich are being given complete free rein. It is obscene that the richest 1% now own three times more than the world’s total public wealth combined.

"Reading is the key that opens doors to many good things in life. Reading shaped my dreams, and more reading helped me make my dreams come true." [Ruth Bader Ginsburg]

"Obvious is the most dangerous word in mathematics." [E.T. Bell]

"A man is known by the company he keeps. A company is known by the men it keeps." [Thomas J. Watson, US businessman, CEO of IBM, 1874-1956]

"The theory of democratic government is not that the will of the people is always right, but rather that normal human beings of average intelligence will, if given a chance, learn the right and best course by bitter experience." [W.E.B. Du Bois, US educator, civil rights activist

"To be capable of embarrassment is the beginning of moral consciousness. Honor grows from qualms." [John Leonard, US literary, television, film, and cultural critic, 1939-2008]