The cost of liberty is less than the price of repression.
自由的代价比镇压的代价要低。
Work spares us from three evils: boredom， vice， and need.
Emancipate yourselves from mental slavery, none but ourselves can free our minds.
每一本书都是一次旅程，每一次旅程都改变我们。
The robustness of topological states against local perturbations is a testament to the power of topology in protecting quantum information.
我不会把任何比赛视为理所当然。