"The sun is one, but its beams are numberless; and the effects produced are beneficent or maleficent, according to the…"

"It is easy to argue persuasively the truism that the lessons of history are best derived from what actually happened,…"

"I learned this bit of wisdom from a principle of William Blake's which I discovered early and followed far too assidu…"

"It is a truism that success in science comes to the individuals who ask the right questions."

"Decide on some imperfect Somebody and you will win, because the truest truism in politics is: You can’t beat Somebody…"

"Quot homines tot sententiæ (Translation: There are as many opinions as there are people who hold them)."

"Counterexample philosophy is a distinctive pattern of argumentation philosophers since Plato have employed when attem…"

"Occasionally, one individual may come up with a "proof," and another with a "counterexample." Since a valid proof and…"

"Whenever the bigger theorems are stated and proven, Landau usually shows that all the hypotheses are needed by droppi…"

"What is the role of counterexamples in mathematics? (Are there any in Euclid?)"