Who longs in solitude to live, Ah! soon his wish will gain: Men hope and love, men get and give, and leave him to his pain.
If you start to think of your physical and moral condition, you usually find that you are sick.
You'll never attain it unless you know the feeling.
Only he who finds empiricism irksome is driven to method.
Errors belong to libraries; truth, to the human mind.
I have come to the frightening conclusion that I am the decisive element. It is my personal approach that creates the climate.