Only the man who says no is free

A book in a man's brain is better off than a book bound in calf - at any rate it is safer from criticism.

The worst of our evils we blindly inflict upon ourselves; our officers cannot remove them, even if they would.

In what rapt ether sails the world, of which the weariest will never weary?

Our souls are like those orphans whose unwedded mothers die in bearing them: the secret of our paternity lies in their grave, and we must there to learn it.

Climate of Egypt in winter is the reign of spring upon earth, & summer in the air, and tranquility in the heat.

To treat of human actions is to deal wholly with second causes.