Sometimes the simplest melodies are the hardest to write.

To understand the cosmos is to understand ourselves, for we are made of the same stardust that forms the stars.

The most dangerous phrase in business is: "We've always done it this way."

教师是太阳，学生是月亮。教师发光，学生反射。

The truth is a beautiful and terrible thing, and should therefore be treated with great caution.

生命是一场永无休止的战斗。

下一代将根据我们在水中留下的东西来评判我们，而不是我们从中获取的东西。