One must take all one's life to learn how to leave, and what will perhaps make you wonder more, one must take all one's life to learn how to die.

There is nothing more despicable than an old man who has no other proof than his age to offer of his having lived long in the world.

Nothing is so bitter that a calm mind cannot find comfort in it.

It is the constant fault and inseparable evil quality of ambition, that it never looks behind it.

It is part of the cure to wish to be cured.

How many discoveries are reserved for the ages to come when our memory shall be no more, for this world of ours contains matter for investigation for all generations.

It's the admirer and the watcher who provoke us to all the inanities we commit.