有机体本质上是对环境刺激的被动反应者。

The man who lets a leader prescribe his course is a wreck being towed to the scrap heap.

If you love a thing you will overcome all difficulties.

Don't fear failure; fear the absence of trying.

Sometimes life hits you in the head with a brick. Don’t lose faith.

科学进步的关键是坚持和开放的心态。