"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

Success is measured not just in profits, but in positive impact.

I'm not a rebel, I'm just a man who refuses to conform.

In business, if you're not moving forward, you're falling behind.

"Ein Buch ist wie ein Garten, den man in der Tasche trägt."

我不在乎那些讨厌我的人，我在乎那些爱我的人。