勇气是在压力之下展现出的优雅。

The man who believes that the secrets of the world are forever hidden lives in mystery and fear. Superstition will drag him down. The rain will erode the deeds of his life. But that man who sets himself the task of singling out the thread of order from the tapestry will by the decision alone have taken charge of the world and it is only by such taking charge that he will effect a way to dictate the terms of his own fate.

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

The theory of computation is not just about solving problems, but also about understanding the limits of what can be computed.

If you can dream it, you can do it.

The details are not the details. They make the design.