“If you can’t explain it simply, you don’t understand it well enough.”

External nature is only internal nature writ large.

Happiness depends upon ourselves.

You are built not to shrink down to less but to blossom into more.

Id rather regret the things that I have done than the things that I have not done

A person who never made a mistake never tried anything new.

There are two things that a man should never be angry at: what he can help, and what he cannot help.