Whoever thinks a faultless piece to see, Thinks what ne’er was, nor is, nor e’er shall be.

— Alexander Pope, An Essay On Criticism

So it is fallibilism, not mere rejection of authority, that is essential for the initiation of unlimited knowledge growth – the beginning of infinity.

— David Deutsch, The Beginning of Infinity

…teaching programming improves generic thinking skills such as logical thinking and generally “sharpens the mind.”

— Peter J. Denning and Matti Tedre, Computational Thinking

Above all, don’t ask what to believe-ask what to anticipate. Every question of belief should flow from a question of anticipation, and that question of anticipation should be the center of the inquiry.

— Eliezer Yudkowsky, Rationality

An optimist thinks that this is the best of all possible worlds. A pessimist fears that this is so.

— Thomas Cathcart and Daniel Klein, Plato and a Platypus Walk Into a Bar…