The most secure encryption is the one you don't use.
最安全的加密是你没有使用的加密。
The greatest happiness of a teacher is to send groups of children to the other shore of their ideals.
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
发现的快乐是这些年来一直激励我的动力。
"In the midst of winter, I found there was, within me, an invincible summer."