Welcome, O life! I go to encounter for the millionth time the reality of experience and to forge in the smithy of my soul the uncreated conscience of my race.

Every moment is a chance to start over.

秋天已经结束，白昼仍然漫长，王粲（字仲宣）怀念远方的心情更加凄凉

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