“Decide in your heart of hearts what really excites and challenges you, and start moving your life in that direction. Every decision you make, from what you eat to what you do with your time tonight...”

“It's puzzling to me that so many self-help gurus urge people to visualize victory, and stop there. Some even insist that if you wish for good things long enough and hard enough, you'll get them - a...”

“Early success is a terrible teacher. You're essentially being rewarded for a lack of preparation, so when you find yourself in a situation where you must prepare, you can't do it. You don't know how.”

“It's never either-or, never enjoyment versus advancement, so long as you conceive of advancement in terms of learning rather than climbing to the next rung of the professional ladder. You are getti...”

“Life off Earth is in two important respects not at all unworldly: you can choose to focus on the surprises and pleasures, or the frustrations. And you can choose to appreciate the smallest scraps o...”

“I wasn't lonely. Loneliness, I think, has very little to do with location. It's a state of mind. In the centre of every city are some of the loneliest people in the world. If anything, because our ...”

“The only thing worse than training employees and losing them is to not train them and keep them.”

“My citizen activism is a direct outgrowth of a classical and fiscally conservative training in economics at Harvard. It is a perspective rooted in one of the most important concepts in economics - ...”

“A lifetime of training for just ten seconds.”

“Of the two powers, the two categories that take possession of us when we enter the world, space is by far the less mysterious. . . . Space is, after all, solid, monolithic. . . . Time, on the other...”

“The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary master...”

“A human being is a part of the whole, called by us "Universe", a part limited in time and space.”

“You might as well make yourself fly as to make yourself love.”

“Those who don't jump will never fly.”

“In this world of ours, the sparrow must live like a hawk if he is to fly at all.”