Books I like

It may mean, “Such-and-such people in such-and-such circumstances have difficulty in proving it.” You may ask, “When? After drinking wine?” etc. —Wittgenstein’s lecture notes on the foundation of mathematics

Epsilon: Really Lambda, your unquenchable thirst for certainty is becoming tiresome! How many times do I have to tell you that we know nothing for certain? But your desire for certainty is making you raise very boring problems - and is blinding you to the interesting ones. — Proofs and Refutations