It is your life and it is worth risking everything to make it yours.
The great end of prudence is to give cheerfulness to those hours which splendor cannot gild, and acclamation cannot exhilarate.
The true measure of a man is how he treats someone who can do him absolutely no good.
Curiosity is one of the most permanent and certain characteristics of a vigorous intellect.
He who has so little knowledge of human nature as to seek happiness by changing anything but his own disposition will waste his life in fruitless efforts.
Our aspirations are our possibilities.
Exert your talents, and distinguish yourself, and don't think of retiring from the world, until the world will be sorry that you retire.
Every man kills the things that he loves. Some with a look, some with flattery, the coward with a kiss.
War was then no longer this noble and unified outburst of souls in love with glory that he had imagined from Napoleon's proclamations.
There are things about which I don't even talk to myself.
People without independence have no business to meddle with science. It should never be linked with lucre.