Source: An Introduction To Probability Theory And Its Applications (Third Edition), Chapter IX, Random Variables; Expectation, p. 212.
“It is not necessary to think of gambling places; the statistician who applies statistical tests is engaged in a dignified sort of gambling, and in his case the distribution of the random variables changes from occasion to occasion.”
Source: An Introduction To Probability Theory And Its Applications (Third Edition), Chapter X, Law Of large Numbers, p. 253.
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William Feller 30
Croatian-American mathematician 1906–1970Related quotes

“I enjoy gambling, I find ample opportunity in gambling to engage my mind and study.”
जूवा (Gambling)

“Change your life today. Don't gamble on the future, act now, without delay.”
Attributed
Source: As quoted in The Book of Positive Quotations (2007) by John Cook, p. 548

1860s, Second State of the Union address (1862)
Context: The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country.

“There is no gambling like politics.”
Source: Books, Coningsby (1844), Endymion (1880), Ch. 82.