Climate change isn't a future threat to forests—it's the chainsaw at work right now.

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

最终，我们记住的不是敌人的话语，而是朋友的沉默。

Deep learning is a powerful tool for solving complex problems.