每一个数学问题都是一个等待解决的谜题，每一个解决方案都是迈向更深入理解的一步。
我不后悔过去，它造就了今天的我。
声音是神圣的乐器，我们必须明智地使用它。
企业的成功不是偶然的，而是必然的。
The only way to do great work is to love what you do.
Appreciate everything your associates do for the business. Nothing else can quite substitute for a few well-chosen, well-timed, sincere words of praise. They're absolutely free and worth a fortune.