世界不是它看起来的样子；它是我们相信的样子。

Every building is a journey of discovery.

The United States is the most powerful country in the world, and it will remain so for the foreseeable future.

Algebraic geometry is the study of zeros of polynomials.

Sometimes you may feel like you’re not good enough, but you are.

信念有创造的力量，也有毁灭的力量。