The essence of quantum mechanics is that it provides a mathematical framework for the description of the behavior of atomic and subatomic particles.
量子力学的本质在于它提供了一个数学框架，用于描述原子和亚原子粒子的行为。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
在量子力学中，测量的行为可以改变被测量系统的状态。
"Every role I take is a piece of my soul I leave behind."