Knowledge is represented in the mind as symbolic structures.

今天我们种下的每一棵树都是留给未来的遗产。

It is much easier to change how you think by changing your behavior， than it is to change your behavior by changing how you think. Act out the change you seek.

要知道，终有一天，我们会是自由的。

I'm never going to change so much that people can't recognize me.

Innovation is not just about creating new products, but about rethinking how we use materials to reduce waste.