Tempt not a desperate man.

To every action there is always opposed an equal reaction: or, the mutual actions of two bodies upon each other are always equal, and directed to contrary parts.

We are not enemies, but friends. We must not be enemies. Though passion may have strained, it must not break, our bonds of affection.

Madness does not govern a country; discussion does.

Can anything be more ridiculous than that a man should have the right to kill me because he lives on the other side of the water, and because his ruler has a quarrel with mine, though I have none with him?

Extremists on all sides thrive, fed by the blood lust of centuries gone by.

It never ceases to amaze me: we all love ourselves more than others their opinions more than other people, but care more about their opinion than our own.

I rebel; therefore I exist.

Compromise is the best and cheapest lawyer.

We still have a choice today: nonviolent coexistence or violent coannihilation. This may well be mankind's last chance between chaos and community.

Without properly kept accounts it is impossible to maintain truth in its pristine purity.

The most important single ingredient in the formula of success is knowing how to get along with people.

No amount of evidence will ever persuade an idiot.

A man has to learn that he cannot command things, but that he can command himself; that he cannot coerce the wills of others, but that he can mold and master his own will: and things serve him who serves Truth; people seek guidance of him who is master of himself.

Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.