儿童书籍应该挑战、安慰和激励。

Singing is not only about skill, but also about communication of the soul.

Believe in yourself and all that you are.

合作是企业的力量，没有合作就没有共赢。

I tend to think that the camera is much more reliable than the human eye.

The power of science lies in its universality and selflessness, transcending the boundaries of nations and cultures.

Mathematics is the art of giving the same name to different things.

每个数学问题都有解决方案，但并非每个解决方案都显而易见。