The World is my country, all mankind are my brethren, and to do good is my religion.
The real man smiles in trouble, gathers strength from distress, and grows brave by reflection.
Those who expect to reap the blessings of freedom, must, like men, undergo the fatigues of supporting it.
The mind once enlightened cannot again become dark.
To argue with a man who has renounced the use and authority of reason, and whose philosophy consists in holding humanity in contempt, is like administering medicine to the dead, or endeavoring to convert an atheist by scripture.
A long habit of not thinking a thing wrong, gives it a superficial appearance of being right, and raises at first a formidable outcry in defense of custom.
One good schoolmaster is of more use than a hundred priests.
I do not believe in the creed professed by the Jewish church, by the Roman church, by the Greek church, by the Turkish church, by the Protestant church, nor by any church that I know of. My own mind is my own church.
The harder the conflict, the more glorious the triumph.
We have it in our power to begin the world over again.
Character is much easier kept than recovered.