Your most unhappy customers are your greatest source of learning.

It is hard to fail, but it is worse never to have tried to succeed.

If you think education is expensive, try ignorance

As long as you’re going to be thinking anyway, think big.

To never forget that the most important thing in life is the quality of life we lead

We are what we repeatedly do. Excellence, therefore, is not an act but a habit.

In all things that you do, consider the end.

A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.

If we don’t allow ourselves to make mistakes, we will never invest in things that are radical.

Be undeniably good. No marketing effort or social media buzzword can be a substitute for that.

Don't bunt. Aim out of the ballpark.

Hold fast to dreams, for if dreams die, life is a broken winged bird that cannot fly.

Whatever the mind can conceive and believe, the mind can achieve.

My number one piece of advice is: you should learn how to program.

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.

You have a viable business only if your product is either better or cheaper than the alternatives. If it’s not one or the other, you might make some money at first, but it’s not a sustainable business.

Most great people have attained their greatest success just one step beyond their greatest failure

Build your own dreams, or someone else will hire you to build theirs.

Purpose is what gives life a meaning.

The way to get started is to quit talking and begin doing.