所有行为都是由某种形式的驱力减少所驱动的。
All behavior is motivated by some form of drive reduction.
The best way to predict the future is to create it.
人生就像一场旅行,不必在乎目的地,在乎的是沿途的风景以及看风景的心情。
The wise seek happiness within their own souls, while fools search outside.
Failure is just another step toward success.