In an uncertain era, the only certainty is change itself.
在不确定的时代，唯一确定的就是变化本身。
The study of topological phases of matter is a testament to the power of theoretical physics to predict and explain new states of matter.
文官清廉，武官勇敢，国家就能安定！这廉洁奉公的精神，太震撼了！并且只有官员清正廉洁，国家才能长治久安！