Don't cry because it is over, smile because it happened
不要因为结束而哭泣，微笑吧，为你的曾经拥有。
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
The essence of cryptography is to allow communication in the presence of adversaries.
要完成伟大的事业，我们不仅要行动，还要梦想；不仅要计划，还要相信。