恐惧会禁锢你，希望则能让你自由。

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

我只和自己竞争。当你与别人竞争时，反而限制了自己。

We are not born for ourselves alone.

If you want to live a happy life, tie it to a goal, not to people or things.