The robustness of topological states against local perturbations is a testament to the power of topology in protecting quantum information.
政府的职责是帮助那些无法自助的人。
过去总是在变化。它不是固定的。过去并不稳定。
生活中最好的老师是经验。
I don't want to be a product of my environment. I want my environment to be a product of me.