"We all have a responsibility to bear witness to what we see and to speak out against injustice."

The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.

Happiness comes from within, not from material things.

A successful leader listens more than they speak and acts with integrity above all else.

网络的力量在于它的普遍性。无论是否有残疾，每个人都能访问是一个重要方面。