Sustainability isn't just a trend—it's a responsibility we owe to future generations.
The only thing that can make you happy is your own heart.
我知道,有个道理你们已经听过成千上万次了。但那是真的:艰辛的工作带来回报。如果你希望好起来,你就必须练习、练习,再练习。
对黑洞的研究将我们带到了理解的边缘,在那里已知的物理定律失效,新的理论必须出现。