Modern theory is about objects lower than man; even stars, being common things, are lower than man.

The art of being happy lies in the power of extracting happiness from common things.

Whatsoever things common to man, that man has done, man can do.

To do common things perfectly is far better worth our endeavor than to do uncommon things respectably.

For a scientific theory of him to be possible, man, including his habits of valuation, has to be taken as determined by causal laws, as an instance and part of nature.

When you can do the common things of life in an uncommon way, you will command the attention of the world.