"The more we learn about life, the more we realize how much we have yet to discover."

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.

Fearless is not the absence of fear. It’s not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.

The quality of a country's institutions is the most important determinant of its success.

我不是那种会让对竞争的爱减少的人。