成功在于坚持和永不放弃。

"It takes ten times as long to put yourself back together as it does to fall apart."

密码学的目标是使破解系统的成本超过受保护信息的价值。

On innovation: "I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out."

我不需要地图，我开辟自己的道路。