“Think as you please, and so let others, and you will have no disputes.”

On matters of style, swim with the current, on matters of principle, stand like a rock.

He who permits himself to tell a lie once, finds it much easier to do it the second time.

Every human being must be viewed according to what it is good for. For not one of us, no, not one, is perfect. And were we to love none who had imperfection, this world would be a desert for our love.

The man who reads nothing at all is better educated than the man who reads nothing but newspapers.

I think one travels more usefully when they travel alone, because they reflect more.

It is reasonable that everyone who asks justice should do justice.

We have no right to prejudice another in his civil enjoyments because he is of another church.

Good wine is a necessity of life for me.

Experience declares that man is the only animal which devours his own kind; for I can apply no milder term to the governments of Europe, and to the general prey of the rich on the poor.

Nothing gives one person so much advantage over another as to remain always cool and unruffled under all circumstances.

Difference of opinion is advantageous in religion. The several sects perform the office of a Censor morum over each other.

He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.

Those who expect to be both ignorant and free, expect what never was and never will be.

Never spend your money before you have it.

The doctor of the future will give no medicine, but will interest his patient in the care of the human frame, in diet and in the cause and prevention of disease

Peace and friendship with all mankind is our wisest policy, and I wish we may be permitted to pursue it.

It is better to be silent, than to dispute with the Ignorant.

A man who has been the indisputable favorite of his mother keeps for life the feeling of a conqueror.

Philosophy itself cannot but benefit from our disputes, for if our conceptions prove true, new achievements will be made; if false, their refutation will further confirm the original doctrines.

He can who thinks he can, and he can’t who thinks he can’t. This is an inexorable, indisputable law.

Art is something that nobody laughs at and nobody makes any money out of is the attitude, which I would dispute.

Dispute not with her: she is lunatic.