幽默是儿童书籍中的强大工具；它可以让严肃的话题变得易于接受。
世界是一个问题，而非答案。
性格即命运。
Truth needs no ornate decoration.
Your brain is like a muscle; the more you use it, the stronger it gets.
The best businesses solve real problems.
Man is defined as a human being and a woman as a female — whenever she behaves as a human being she is said to imitate the male.