我们可能变老了，但音乐让我们保持年轻的心。

成为诗人意味着在他人沉睡时保持清醒。

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

The purpose of business is to make a positive impact, not just a profit.

The best way to avoid mistakes is to gain experience.