真相很少是纯粹的,也从来不简单。
Copying others is a good way to start. Copying yourself is a disappointing way to end.
能源的未来在于平衡经济增长与环境责任。
The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.
The sun must set to rise.