Every experiment, even the ones that fail, teaches you something valuable.

Sometimes, I think the reason we hold onto something so tight is because we fear something so great will never happen again.

The poet is the only one for whom the world is not silent; he is the only one who can hear the music of the spheres.

We are all prisoners of our own perceptions.

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

在数学中，旅程和目的地同样重要，因为正是通过发现的过程，我们才能真正学习。