We can say things with words； and we can do things with words.

The forest doesn't need us; we need the forest.

"You can't knock on opportunity's door and not be ready."

译文：做好事就像登山一样艰难，做坏事就像山崩一样容易。

In this business, if you're good, you're right six times out of ten. You're never going to be right nine times out of ten.

植物杂交实验需要最仔细的关注和极大的耐心。