一流智力的标准是能够在头脑中同时持有两种相反的观点，并且仍然保持正常运作的能力。
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
The only way to find out anything about what kinds of books people would like to read is to publish books and see what happens.