If you never fail, either you're really lucky or you haven't shipped anything.

Sooner or later, many idealists transform themselves into disheartened realists who mistakenly believe that giving up is the same thing as being realistic.

Tennis has a Dip. The difference between a mediocre club player and a regional champion isn't inborn talent—it's the ability to push through the moments where it's just easier to quit. Politics has a Dip as well—it's way more fun to win an election than to lose one, and the entire process is built around many people starting while most people quit.

Quitting creates scarcity; scarcity creates value.

Perfect closes the door. It asserts that we're done, that this is the best we can do. Worse, perfect forbids us to try. To seek perfection and not reach it is a failure.

This is what tension feels like. The tension of being left behind.

orr we find a typo in a book.

What interests me in life is curiosity, challenges, the good fight with its victories and defeats.

There should be no boundaries to human endeavor. However bad life may seem, there is always hope.

Because in life, the question is not if you will have problems, but how you are going to deal with them. Stop failing backward and start failing forward!

The poet and the politician have this in common: their greatness depends on the courage with which they face the challenges of life.

Don't be discouraged by a failure. It can be a positive experience. Failure is, in a sense, the highway to success, inasmuch as every discovery of what is false leads us to seek earnestly after what is true, and every fresh experience points out some form of error which we shall afterwards carefully avoid.