挑战是伪装的机会；用勇气拥抱它们。
不要因为放弃而哭泣，要为了坚持而哭泣。
The act of writing is an act of optimism.
The world is a place of the living, and the dead have no place in it.
In scientific work, those who refuse to go beyond fact rarely get as far as fact.
我不是一个活在过去的人。