“The road to enlightenment is long and difficult, and you should try not to forget snacks and magazines.”

“I have found the best way to give advice to your children is to find out what they want and then advise them to do it.”

“Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.”

“Problem solving, and I don’t mean algebra, seems to be my life’s work. Maybe it’s everyone’s life’s work.”

“How do you live a long life? Take a two-mile walk every morning before breakfast.”

“In terms of days and moments lived, you’ll never again be as young as you are right now, so spend this day, the youth of your future, in a way that deflects regret. Invest in yourself. Have some fun. Do something important. Love somebody extra. In one sense, you’re just…