Lend yourself to others, but give yourself to yourself.

This is one small step for a man, one giant leap for mankind.

Don't get set into one form, adapt it and build your own, and let it grow, be like water.

Sincerity and truth are the basis of every virtue.

The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools.

All wealth is the product of labor.

A goal is not always meant to be reached, it often serves simply as something to aim at.

The great secret of true success, of true happiness, is this: the man or woman who asks for no return, the perfectly unselfish person, is the most successful.

Keep your eyes on the stars, and your feet on the ground.

I just couldn't take school seriously: I had this guitar neck with four frets which I kept hidden under the desk. It had strings on it so I would practice my chord shapes under the desk and that's about all I did at school.

When I'm inspired, I get excited because I can't wait to see what I'll come up with next.

The way to become rich is to put all your eggs in one basket and then watch that basket.

Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

I am the captain of my soul.

You can wish for things in the future to be different, but in this moment you have to accept things as they are.

Good thoughts bear good fruit, bad thoughts bear bad fruit.

I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.

Dare to be free, dare to go as far as your thought leads, and dare to carry that out in your life.

Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

When all is said and done, more is said than done.

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.