时间是我们能够感知变化的唯一维度。
The true sign of intelligence is not knowledge but imagination.
质量不是一种行为,而是一种习惯。
现代密码学的挑战不仅是确保通信安全,而且要以既高效又可扩展的方式实现。
The desire to be loved is perhaps the most deeply rooted of all our vanity.