自然界的所有效应只是少数不变定律的数学结果。
All the effects of nature are only the mathematical consequences of a small number of immutable laws.
写作就是重写。
"Modern society has lost its soul, and we are all just wandering in a spiritual desert."
To write about war is to write about the silence that follows.
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。