My own career is a case study for what I believe in.

The value of our lives is not determined by what we do for ourselves. The value of our lives is determined by what we do for others.

It is better to disappoint people with the truth than to appease them with a lie.

If you're interested in a book that will steadily grow and sell for a very long time, I promise you I will give you that.

Life changes for the better when we realize that we don't have to know everything and we don't have to pretend we do.

It's better to do it than to talk about how perfect it could be.

To spend more money, you have to have more money, but time is fixed and we all have the same amount to spare. How we choose to spend it can make a significant difference on the impact we have in our careers or in the world.