The highest and most beautiful things in life are not to be heard about, nor read about, nor seen but, if one will, are to be lived.
生活中最高尚和最美丽的事物不是被听到的，也不是被读到的，也不是被看到的，而是如果愿意的话，是被生活的。
The concept of law is essentially a matter of social fact.
当我们既倾听科学家又倾听农民时，真正的进步才会发生。
Success in farming comes from understanding nature, not fighting it.
You are never too old to set another goal or to dream a new dream.
行为不仅仅是对刺激的反应，而是由期望和目的引导的。