Life is not anything, but an opportunity for something.
One cannot develop taste from what is of average quality but only from the very best.
When an idea is wanting, a word can always be found to take its place.
Unlimited activity, of whatever kind, must end in bankruptcy.
Whatever liberates our spirit, without also giving us mastery over ourselves, is destructive.
It is in human nature to relax, when not compelled by personal advantage or disadvantage.