"La ciencia no solo es compatible con la espiritualidad; es una fuente profunda de espiritualidad."

“Whenever you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and...”

“Live for today, hope for tomorrow”

“No great mind has ever existed without a touch of madness.”

“Try not to become a man of success. Rather become a man of value.”

“Once we accept our limits, we go beyond them.”

“The voice of the intellect is a soft one, but it does not rest until it has gained a hearing.”

“In 1995 I had $7 bucks in my pocket and knew two things: I’m broke as hell and one day I...”

“Vision without execution is just hallucination.”

“The greatest use of life is to spend it for something that will outlast it.”

“I think that's the single best piece of advice: Constantly think about how you could be do...”

“Everyone seems to have a clear idea of how other people should lead their lives, but none ...”

“If you see me in a fight with a bear, pray for the bear”