密码学是关于在存在对手的情况下进行通信的。
从前的贤君已无法追及,未来的英主又难以目睹。悠悠的苍天,高高在上。你为何不解除我的冤屈?
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.
Collaboration, not competition, will save our forests.