The study of black holes has led us to the edge of our understanding, where the known laws of physics break down and new theories must emerge.

"Your most unhappy customers are your greatest source of learning."

Truth is so hard to tell， it sometimes needs fiction to make it plausible.

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

I don't think you should ever have to apologize for your excitement.

In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.《Steel and Strategy》

除了诱惑之外，我可以抵抗任何事物。