The essence of cryptography is to allow communication in the presence of adversaries.

如果我们为之奋斗，煤炭的未来是光明的。

The artist must create a spark before he can make a fire and before art is born, the artist must be ready to be consumed by the fire of his own creation.

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

History is not the past. It is the present. We carry our history with us. We are our history.

新闻自由不仅对民主重要，它就是民主。