"Your hardest times often lead to the greatest moments of your life. Keep going. Tough situations build strong people in the end."

"Nothing is more creative...nor destructive...than a brilliant mind with a purpose."

"Every second you have on this planet is very precious and it's your responsibility that you're happy."

"Do it with passion, or not at all."

"Success in business requires training and discipline and hard work. But if you're not frightened by these things, the opportunities are just as great today as they ever were."

"Learning without reflection is a waste, reflection without learning is dangerous."

"Be here now. Be someplace else later. Is that so complicated?"

"It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something."

"Focusing your life solely on making a buck shows a poverty of ambition. It asks too little of yourself. And it will leave you unfulfilled."

"It's better to have a short life that is full of what you like doing, than a long life spent in a miserable way."

"Probably the happiest period in life most frequently is in middle age, when the eager passions of youth are cooled, and the infirmities of age not yet begun as we see that the shadows, which are at morning and evening so large, almost entirely disappear at midday."

"Well, first of all, we did lots of studies where we show practical intelligence doesn't correlate with G. We have probably two dozen studies that practical intelligence better predicts job success than IQ."

"I'm a Gemini, so I change my mind every day."

"Love, work, and knowledge are the wellsprings of our lives, they should also govern it."

"To be able to throw one's self away for the sake of a moment, to be able to sacrifice years for a woman's smile - that is happiness."

"Laughter is the closest thing to the grace of God."

"A lot of movies treat kids like idiots."

"Book-jacket design may become a lost art, like album-cover design, without which late-20th-century iconography would have been pauperized."