量子密码学不依赖于数学问题的难度,而是依赖于物理学的基本定律。
爱到极时,最小的忧虑变成恐惧,恐惧得厉害,那正是滋长的情意。
The world is dark, and light is precious.
The best ideas often come from unexpected places.
Happiness does not consist in self-love.