创新既需要创造力，也需要严格的测试。
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
Grain isn't just a commodity; it's the foundation of civilizations.
The meaning of life is contained in every single expression of life. It is present in the infinity of forms and phenomena that exist in all of creation.