“If Mr. Edison had thought smarter he wouldn’t sweat as much.”

Electric power is everywhere present in unlimited quantities and can drive the world’s machinery without the need of coal, oil, gas, or any other of the common fuels.

Anti-social behavior is a trait of intelligence in a world full of conformists.

The entire Earth will be converted into a huge brain.

Let the future tell the truth, and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I have really worked, is mine

What one man calls God, another calls the laws of physics.

Most certainly, some planets are not inhabited, but others are, and among these there must exist life under all conditions and phases of development.

Perhaps I failed, but I did my best, These masters of mine may do the rest.

As I review the events of my past life I realize how subtle are the influences that shape our destinies.

From my childhood I had been intended for the clergy. This prospect hung like a dark cloud on my mind.

When natural inclination develops into a passionate desire, one advances towards his goal in seven-league boots.

The future will show whether my foresight is as accurate now as it has proved heretofore.

Most persons are so absorbed in the contemplation of the outside world that they are wholly oblivious to what is passing on within themselves.

There is no memory or retentive faculty based on lasting impression. What we designate as memory is but increased responsiveness to repeated stimuli.

We should begin at the very root from which we spring, we should effect a radical reform in the character of the food.

The desire that guides me in all I do is the desire to harness the forces of nature to the service of mankind.

My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists.

I was smart enough to use pot without getting caught, and now I’m on the Supreme Court. If you were stupid enough to get caught, that’s your problem. Your appeal is denied. This 40 year sentence just might teach you a lesson.

You can’t be a smart cookie if you have a crummy attitude.

I raised my prices since there wasn’t any competition it was just the smart thing to do. Why would I keep my prices up if their wasn’t anyone to beat?

I have nothing else to say other than I wasn’t corrupt, unfair, or greedy. I was smart when it came to making decisions for my company, and I wasn’t greedy. I gave to others in charity and donated money to fund programs. I have nothing else to say.

Of course I am tough, but I am smart, too. I’m more smart than tough. People watching my record and say that this guy is tough. This is not about tough; this is about mind. You think when you fight. This is about everything.

Being a father has been, my greatest source of pride, humility, inspiration & even achievement. It has taught me to choose innocent honesty over smarts.

Success comes from keeping the ears open and the mouth closed.

A lot of people like to fool you and say that you’re not smart if you never went to college, but common sense rules over everything. That’s what I learned from selling crack.