The most formidable weapon against errors of every kind is reason.

自信来自内心，是你每天都要建立的东西。

User needs are both the starting point and the ultimate goal of product development.

"If you surrendered to the air, you could ride it."

The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

To understand others, you must first understand yourself.

You can't control the waves, but you can learn to sail in any weather.