你自己的心灵是一个神圣的围墙，除非得到你的许可，否则没有任何有害的东西能够进入。
学习是通过修改符号结构来提高性能的过程。
The true value of a forest cannot be measured in board feet alone.
The purpose of literature is to turn blood into ink.
译文：只要把握现在，做好当下的事情，不要管将来会有什么样的结果。
In the ocean of science, every question is an unknown island waiting to be discovered and explored.
