如果你没有前进，那你就是在落后。

The rocks we quarry today are the heritage we leave for tomorrow.

预测未来的最好方式就是创造未来。

The goal of behavior is always the reduction of some drive or need.

The true test of civilization is not the census, nor the size of cities, nor the crops, but the kind of man that the country turns out.

投资于农民教育就是投资于乳制品的未来。