Wisdom

The brave may not live forever, but the cautious do not live at all.

You don't learn to walk by following rules. You learn by doing, and by falling over.

What’s dangerous is not to evolve.

A brand for a company is like a reputation for a person. You earn reputation by trying to do hard things well.

Life is too short for long-term grudges.

I think it's very important to have a feedback loop, where you're constantly thinking about what you've done and how you could be doing it better.

It's fine to celebrate success, but it is more important to heed the lessons of failure.

Success is a lousy teacher. It seduces smart people into thinking they can't lose.

Your most unhappy customers are your greatest source of learning.

The martyr sacrifices themselves entirely in vain. Or rather not in vain; for they make the selfish more selfish, the lazy more lazy, the narrow narrower.

Were there none who were discontented with what they have, the world would never reach anything better.

There is nothing new except what has been forgotten.

In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.

All truths are easy to understand once they are discovered; the point is to discover them.

You cannot teach a man anything; you can only help him find it within himself.

Wine is sunlight, held together by water.

Nature is pleased with simplicity. And nature is no dummy.

Plato is my friend, Aristotle is my friend, but my greatest friend is the truth.

I can calculate the motion of heavenly bodies, but not the madness of people.

If I have seen further it is by standing on the shoulders of Giants.