Voltaire

To hold a pen is to be at war.

It is forbidden to kill; therefore all murderers are punished unless they kill in large numbers and to the sound of trumpets.

What is tolerance? It is the consequence of humanity. We are all formed of frailty and error; let us pardon reciprocally each other's folly - that is the first law of nature.

We are all full of weakness and errors; let us mutually pardon each other our follies - it is the first law of nature.

The art of medicine consists in amusing the patient while nature cures the disease.

Common sense is not so common.

The safest course is to do nothing against one's conscience. With this secret, we can enjoy life and have no fear from death.

Fear follows crime and is its punishment.

One merit of poetry few persons will deny: it says more and in fewer words than prose.

Faith consists in believing when it is beyond the power of reason to believe.