It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.
量子力学的本质在于它不描述单个粒子的行为，而是描述它们行为的概率。
看东西只有用心才能看得清楚，重要的东西用眼睛是看不见的。