I honestly think it is better to be a failure at something you love than to be a success at something you hate.

Assume you have 90 seconds with a new user before they decide to use your app or delete it.

The art of leadership is saying no, not yes. It is very easy to say yes.

Marking dynamos for repair $10,000.00—2 hours labor $10.00; knowing where to mark $9,990.00.

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.

Every single person I know who is successful at what they do is successful because they love doing it.

A general is just as good or just as bad as the troops under his command make him.

Your most unhappy customers are your greatest source of learning.