做正确的事永远是时候。
The time is always right to do what is right.
文学和科学相比,的确没什么用处,但文学最大的用处,也许就是它没有用处。
Prediction is very difficult, especially about the future.
Your time is limited, so don't waste it living someone else's life.
Sensations are the elementary facts of consciousness.