The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
In mathematics, the journey is often more important than the destination.
沉默是一种美德,但在喜欢的人面前沉默,就是一种懦弱。
To write is to make the invisible visible.
La conscience est le livre des livres.
"To live is the rarest thing in the world. Most people exist, that is all."
The greatest thing you'll ever learn is just to love and be loved in return.