But it is the same with man as with the tree. The more he seeks to rise into the height and light, the more vigorously do his roots struggle earthword, downword, into the dark, the deep - into evil.
知识最大的敌人不是无知,而是知识的幻觉。
在量子力学中,测量的行为可以改变被测量系统的状态。