My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.

我们必须记住，在自然界中既没有奖励也没有惩罚——只有后果。

The language of mathematics is universal, transcending cultural and linguistic barriers.

Well may the boldest fear and the wisest tremble when they contemplate the situation of our country.

钢铁行业必须进化，否则就有被淘汰的风险。适应就是生存。

To reconnect with nature is key if we want to save the natural world.