It is quality rather than quantity that matters.
The deferring of anger is the best antidote to anger.
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.
Laugh at your problems; everybody else does.
The day which we fear as our last is but the birthday of eternity.