一流的智力的考验是同时持有两种相反的观点，并且仍然保持运作的能力。
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.
A company's true value is measured by its impact on society, not just its balance sheet.
The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
有人居住的世界的边界是由人类知识的极限决定的。
