Be strict with yourself and forgiving of others. The reverse is hell for everyone.

You are never too old to set another goal or to dream a new dream.

Technology should empower workers, not replace them.

当天赋不努力时，勤奋会战胜天赋。

True friends are not those who have endless topics to talk about, but those who can stay together without feeling awkward even if they don't speak.

You are as big as the things that make you angry.

在密码学的世界里，唯一安全的系统是永远不连接到任何网络的系统。