If you can’t explain it to a six year old, you don’t understand it yourself.
Motivation is simple. You eliminate those who are not motivated.
Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.
Life is really simple, but we insist on making it complicated.
I believe that a simple and unassuming manner of life is best for everyone, best both for the body and the mind.