知足常乐人安乐，无欲无求心轻松。
释义：知足常乐的人会感到快乐，没有欲望没有追求的人会感到轻松。
I'm here to live my life, not to be a part of yours.
The most important thing in science is not to solve problems, but to ask the right questions.
History is not just about facts, but about the meanings we give them.
It's enough for me to be sure that you and I exist at this moment.
做这件事的唯一方法就是去做。