Every discovery in science is built upon the work of countless others before us.
Who can afford to do professional work for nothing?
可持续性不是一种选择,而是我们对后代的责任。
Profit is important, but it should never come at the expense of our principles.
过去从未消逝,它甚至从未过去。
我是个非常积极的人,总是努力看到每种情况下最好的一面。
We live in a world of shadows, and we ourselves are shadows.