In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.
The true opponent, the enfolding enemy, is not the Russians but their own stupidity.
地球上有黑暗的阴影,但相比之下光明更强大。
Sustainability isn’t a trend; it’s our responsibility to the next generation.
The only thing that is impossible is the thing you don't try.