To be ignorant of the lives of the most celebrated men of antiquity is to continue in a state of childhood all our days.
If you've never failed, you've never tried anything new.
Everything that exists in your life, does so because of two things: something you did or something you didn't do.
If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.
I once thought that if I could ask God one question, I would ask how the universe began, because once I knew that, all the rest is simply equations. But as I got older I became less concerned with how the universe began. Rather, I would want to know why he started the universe. For once I knew that answer, then I would know the purpose of my own life.
I refuse to engage in an intellectual battle with an unarmed man.
Learning is the beginning of wealth. Searching and learning is where the miracle process all begins. The great breakthrough in your life comes when you realize it that you can learn anything you need to learn to accomplish any goal that you set for yourself. This means there are no limits on what you can be, have or do.
There are two ways to be rich in life: have what you want or want what you have.
I try not to think about legacy because it is all folly. If you study history, even recent history, you'll find many people who were quite significant in their time but are completely forgotten.
The Lord's visitations of distinguished favor are always to the diligent. That great men may not be ashamed of honest vocations, the greatest that have ever lived have been contented, happy, and honored while in the pursuit of humble trades.
How to begin to educate a child. First rule: leave him alone. Second rule: leave him alone. Third rule: leave him alone. That is the whole beginning.