You can obsess about serving your customers/audience/clients， or you can obsess about beating the competition. Both work， but of the two， obsessing about your customers will take you further.
In mathematics, you don't understand things. You just get used to them.
黑夜原是为爱而生，白昼转眼就会回来。
最稳健的投资是那些让树木和机会共同成长的投资。
The essence of creativity is figuring out how to use what you already know in order to go beyond what you already think.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'