The most important thing about a theory is that it explains the facts.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

The true measure of our success in grain production lies not in the yield alone, but in how we balance productivity with environmental stewardship.

如果你没有偶尔失败，说明你不够努力。

除了鲜血、劳作、泪水和汗水，我没有其他可奉献的。

The deterioration of a government begins almost always by the decay of its principles.