数学的本质在于它的自由。

The nose of a mob is its imagination. By this, at any time, it can be quietly led.

Advertising doesn't create a product advantage. It can only convey it.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

作家是一个生活在边缘的存在，用批判的眼光观察世界。

And let's be clear: It's not enough just to limit ads for foods that aren't healthy. It's also going to be critical to increase marketing for foods that are healthy.