Tradition and innovation must walk hand in hand for agriculture to thrive.
Competition regulates the rate of profit, and profit regulates the rate of accumulation.
We live in a world where people are judged by their worst actions, not their best.
变体:有七个原因决定了所有人类的行动:机遇、本性、强迫、习惯、理性、激情和欲望。