The scientist is a practical man and his are practical aims. He does not seek the ultimate but the proximate.
科学家是务实的人,他们的目标是实际的。他们不追求终极,而是追求接近。
当一个问题被清晰地陈述时,它就已经解决了一半。
The welfare of the farmer is the welfare of the nation.
做伟大的事情很困难,但指挥伟大的事情更困难。