纠缠是量子力学的本质。它以违背我们经典直觉的方式连接粒子。
解释：君子有三件值得可惜的事：一辈子不学习，是第一件可惜的事；一天无所事事，是第二件可惜的事；一个人的名声败坏，是第三件可惜的事。
The greatest threat to our planet is the belief that someone else will save it.
The beauty of mathematics is that it allows us to abstract away the complexities of the real world and focus on the underlying principles.