世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。

言语是行动之影，行动是言语之踪。

The man who is anybody and who does anything is surely going to be criticized, vilified, and misunderstood. This is part of the penalty for greatness, and every great man understands it.

谷物不仅仅是商品，它是文明的基础。

我们还有很长的路要走，但我们正朝着正确的方向前进。

科学的本质不在于知道，而在于寻求。