The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

Architecture begins where engineering ends.

The best traders are those who can adapt to changing market conditions.

解读：揭示人性在情感驱动下的矛盾心理，爱与恨衍生截然不同的期望，提醒审视内心，别让负面情绪操控行为。