The fact is that every writer creates his own precursors. His work modifies our conception of the past, as it will modify the future.

I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up and boy does that help, particularly when you have a long run ahead of you.

The best preparation for tomorrow is doing your best today.

农业的真正进步来自观察和向自然学习。