Philosophers say a great deal about what is absolutely necessary for science, and it is always, so far as one can see, rather naive, and probably wrong.
Richard Feynman
Never trust anyone who wants what you've got. Friend or no, envy is an overwhelming emotion.
Eubie
There are three things which the superior man guards against. In youth...lust. When he is strong...quarrelsomeness. When he is old...covetousness.