Shun no toil to make yourself remarkable by some talent or other; yet do not devote yourself to one branch exclusively. Strive to get clear notions about all. Give up no science entirely; for science is but one
Shall I tell you what the real evil is? To cringe to the things that are called evils, to surrender to them our freedom, in defiance of which we ought to face any suffering
On Destiny: "Our destiny exercises its influence over us even when, as yet, we have not learned its nature: it is our future that lays down the law of our today."
Human, All Too Human