The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
我不是专横,我就是老板。
Collaboration across industries and borders is essential to meet the world's energy needs.
The heart is a fragile thing, easily broken, but also capable of great strength.
可持续性已不再是一种选择,而是我们对后代的责任。
We are all wanderers on this earth. Our hearts are full of wonder, and our souls are deep with dreams.
Good means not merely not to do wrong, but rather not to desire to do wrong.