Drunkenness is simply voluntary insanity.

The time will come when diligent research over periods will bring to light things which now lie hidden...Many discoveries are reserved for ages still to come, when memories of us will have been effaced. Our universe is a sorry little affair unless it has something for every age to investigate. nature does not reveal her mysteries once and for all.

There is nothing in the world so much admired as a man who knows how to bear unhappiness with courage.

It is the sign of a weak mind to be unable to bear wealth.

The mind unlearns with difficulty what it has long learned.

I was shipwrecked before I got aboard.

Anger is like those ruins which smash themselves on what they fall.