It's dope to be black until it's hard to be black.
做黑人很酷，直到做黑人变得很难。
A gentleman is one who never hurts anyone’s feelings unintentionally.
史记
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.
那些将蓬勃发展的是将变化视为机会而非威胁的公司。