The true measure of agricultural success is sustainability across generations.
恐惧是不可避免的，我必须接受这一点，但我不能让它使我瘫痪。
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.
The development of science cannot be separated from innovation and cooperation.