No one is born fully-formed: it is through self-experience in the world that we become what we are.
没有人天生就是完整的：正是通过在世界中的自我体验，我们才成为现在的自己。
The most dangerous creation of any society is the man who has nothing to lose.
The best way to predict the future is to create it.
现代采石场管理需要地质学家的眼睛、工程师的双手和诗人的心灵。
No matter how good you get you can always get better, and that's the exciting part.