To acknowledge you were wrong yesterday is simply to let the world know that you are wiser today than you were then.

There's none so blind as they that won't see.

There are few, very few, that will own themselves in a mistake.

Ever eating, never cloying, All-devouring, all-destroying Never finding full repast, Till I eat the world at last.

Blot out, correct, insert, refine, enlarge, diminish, interline. Be mindful, when invention fails. To scratch your head and bite your nails.

When a true genius appears, you can know him by this sign: that all the dunces are in a confederacy against him.

Neither are any wars so furious and bloody, or of so long continuance as those occasioned by difference in opinion, especially if it be in things indifferent.