Art should be dangerous - not physically dangerous, but dangerous to ideas.

解析：无念是不住念，无相是不住相，无住是随它去。如此，道便通流。三者是一。

A sustainable business isn't just good for the planet—it's good for business.

The past is always with us, for it feeds the present.

The best way to learn mathematics is to do mathematics.

Success is a function of persistence and doggedness and the willingness to work hard for twenty-two minutes to make sense of something that most people would give up on after thirty seconds.