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。
The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
如果你不固执,就会过早放弃试验。如果你不灵活,就会头撞南墙,而无法另辟蹊径解决当下难题。
Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.
Never let fear stop you from pursuing your dreams.