盈利和可持续性必须齐头并进，否则两者都无法持久。

To catch a husband is an art; to hold him is a job.

The true cost of seafood isn't on the price tag—it's in the ecosystem balance we preserve or destroy.

There is no such thing as a moral or an immoral book. Books are well written, or badly written.

The pursuit of mathematical truth is a never-ending adventure.