Each indecision brings its own delays and days are lost lamenting over lost days... What you can do or think you can do, begin it. For boldness has magic, power, and genius in it.

Create, artist, do not talk.

Go to the place where the thing you wish to know is native; your best teacher is there. Where the thing you wish to know is so dominant that you must breathe its very atmosphere, there teaching is moat thorough, and learning is most easy. You acquire a language most readily in the country where it is spoken; you study mineralogy boat among miners; and so with everything else.

One does not get to know that one exists until one rediscovers oneself in others.

There are people who pay attention to the weaknesses of their friends; that is to no avail. I have always closely watched and profited from the strengths of my adversaries.

With the growth of knowledge our ideas must from time to time be organized afresh. The change takes place usually in accordance with new maxims as they arise, but it always remains provisional.

A person hears only what they understand.