在数学中，从困惑到清晰的旅程是最有价值的体验。

The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

思考的过程不仅仅是把一件事加到另一件事上；它在于观察结构特征和结构要求的操作。

We don't inherit forests from our ancestors, we borrow them from our children.

I don’t follow trends, I set them.

热爱阅读就是用无聊的时间换取快乐的时间。