"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.
所有的痛苦都是痛苦。
The main thing is to be moved, to love, to hope, to tremble, to live.
The problem of quality management is not what people don't know about it. The problem is what they think they do know.