We do good by ourselves, but we seldom do wrong alone.

There is no thermometer for wants!

This is the real tragedy of mankind, that until now the spirit of man has not been able to free itself, even along the path of its own development, from the tentacles of self-deception.

A desire that has never been fulfilled is considerably less acute than one that has been fulfilled and then checked at the source.

Time indeed has very little to do with living except at its beginning or near its end.

Our responsibility to ourselves comes first -- because in a sense what one is oneself is the responsibility that one has for others!

Curiosity is the only thing that really carries through time, isn't it? The creative curiosity, I mean, which fights its way into expression?