Many discoveries are reserved for ages still to come . . . . Our universe is a sorry little affair unless it has in it something for every age to investigate.

There is as much greatness of mind in acknowledging a good turn, as in doing it.

We are taught for the schoolroom, not for life.

I am not born from a single place. My country is the whole world.

The man who has learned to triumph over sorrow wears his miseries as though they were sacred fillets upon his brow; and nothing is so entirely admirable as a man bravely wretched.

Luck is preparation multiplied by opportunity.

We gain so much by quickness, and lose so much by slowness.