The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay between topology and symmetry leads to novel quantum states of matter.

人性的内涵不缺善性，而人性的需求则不能多添一分欲念。

"The world is full of obvious things which nobody by any chance ever observes."

Escribir es una forma de vivir, de respirar, de existir.

The Lisp language is designed to be extensible, and it is easy to add new features to it.