If you modestly enjoy your fame you are not unworthy to rank with the holy.

If the world does improve on the whole, yet youth must always begin anew, and go through the stages of culture from the beginning.

Yet here I stand poor fool what more, not one wit wiser than before.

If the mass of people hesitate to act, strike with swiftly and with boldness, the brave heart that understands and seizes opportunity can everything.

One should not wish anyone disagreeable conditions of life; but for him who is involved in them by chance, they are touchstones of characters and of the most decisive value to man.

The credit of advancing science has always been due to individuals and never to the age.

Are we not also married to conscience which we would love to get rid of often enough since it is more bothersome than a man or a woman ever could become?