不要为别人而活，为自己而活。

You can’t go back and change the beginning, but you can start where you are and change the ending.

"Luxury is about emotion. If you don’t create emotion, you don’t create desire."

The psychologist must avoid all forms of mental chemistry.

Nature has placed mankind under the governance of two sovereign masters， pain and pleasure.

The beauty of science is that it allows us to explore the unknown and uncover the mysteries of life.