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.
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.