Change is certain. Peace is followed by disturbances; departure of evil men by their return.

The only way to find the limits of the possible is by going beyond them into the impossible.

To understand the universe, you must understand the language in which it is written, and that language is mathematics.

The books that the world calls immoral are books that show the world its own shame.

释义：善于运用自己的才能，才能实现财富的积累。这句话强调才能与财富的关系，提醒人们要充分发挥自身优势。