That moderation which nature prescribes, which limits our desires by resources restricted to our needs, has abandoned the field; it has now come to this - that to want only what is enough is a sign both of boorishness and of utter destitution
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
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