Knowledge about life is one thing; effective occupation of a place in life, with its dynamic currents passing through your being, is another.

When thoughts do not neutralize an undesirable emotion, action will.

The prescription is that the subject must be made to show new aspects of itself; to prompt new questions; in a word, to change. From an unchanging subject the attention inevitably wanders away.

We never fully grasp the import of any true statement until we have a clear notion of what the opposite untrue statement would be.

A great idea goes through three stages on its way to acceptance: 1) it is dismissed as nonsense, 2) it is acknowledged as true, but insignificant, 3) finally, it is seen to be important, but not really anything new.

The mind, in short, works on the data it receives very much as a sculptor works on his block of stone. In a sense the statue stoodthere from eternity. But there were a thousand different ones beside it, and the sculptor alone is to thank for having extricated this one from the rest.

We have to live today by what truth we can get today and be ready tomorrow to call it falsehood.