The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
The voice is an instrument that is inside you. It’s the only instrument that you can’t see.
Overfishing is like maxing out a credit card - the heavy price will come due eventually.
我们要做的是让生态化成为每个人的生活常态。
有怒气要尽力消化,有过错要仔细检讨。