While walking I would go into deep thought and enter a kind of wu wei state of mind, similiar to what you’d experience while surfing or creating.

步行不仅改善了我的身体，而且也改变了我的心态。 当我步行时，我喜欢思考，然后进入一种无为的状态，这种状态和你冲浪或创作时很相似。

youdao

These are the bored days that I have. Everyday what I do is surfing the Internet, reading books or reviewing my homework. If I have some money in my hands, then I would go out and do some shopping.

都是些百无聊赖的日子，每天不是上网、看书就是复习功课，手头上有钱的话就到外头去逛逛，买点什么。

youdao

When I was on vacation from Harvard, I would go back to Brazil and enjoyed my summer break playing tennis and surfing.

FORBES: 7. Ethical behavior is the best long-term strategy.