Liberty, then, about which so many volumes have been written is, when accurately defined, only the power of acting.

The world embarrasses me, and I cannot dream that this watch exists and has no watchmaker.

Faith consists in believing not what seems true, but what seems false to our understanding.

Those who think are excessively few; and those few do not set themselves to disturb the world.

A circumstance which has always appeared wonderful to me, is that such sublime discoveries should have been made by the sole assistance of a quadrant and a little arithmetic.

It is not the answers you give, but the questions you ask.

I am a little deaf, a little blind, a little important and on top of this are two or three abominable infirmities, but nothing destroys my hope.