Be grateful for what you have and stop complaining - it bores everybody else, does you no good, and doesn't solve any problems.
The price one pays for pursuing any profession, or calling, is an immediate knowledge of its ugly side.
Never tire yourself more than necessary, even if you have to found a culture on the fatigue of your bones.
Believe me! The secret of reaping the greatest fruitfulness and the greatest enjoyment from life is to live dangerously!
For I have learned to look on nature, not as in the hour of thoughtless youth, but hearing oftentimes the still, sad music of humanity.
Everything is a miracle. It is a miracle that one does not dissolve in one's bath like a lump of sugar.