One is not struck by the truth until prompted quite accidentally by some external event.

密码学是关于在存在对手的情况下进行通信的。

"The human heart, at whatever age, opens only to the heart that opens in return."

"The past is never dead. It's not even past."

我相信过程，也相信自己。

"The world is full of stories, but the stories are all one."