Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.

Language is a skin: I rub my language against the other. It is as if I had words instead of fingers, or fingers at the tip of my words.

The man who does not value himself, cannot value anything or anyone.

译文：有真才实学的人往往深藏不露，懂得韬光养晦，如同那未经打磨雕琢的美玉一般，虽不炫目，但质朴无华，日久自会彰显出光彩。读书学习一定不能间断，就像那连绵不断的流水和行云一般，每天都会前进而不能停下脚步。赏析：有才学的人值得敬佩和学习，但不能恃才傲物，骄横跋扈，要做德才兼备的读书人。读书最忌断断续续，浅尝辄止，读书学习要守得住寂寞。学海无涯，学无止境，锲而不舍，方能学有所成。