活着就是选择，而每个选择都有其后果。
To live is to choose, and every choice has its consequences.
Every song I sing is a piece of my heart shared with the world.
The American farmer is the only man in our economy who has to buy everything he buys at retail, sell everything he sells at wholesale, and pay the freight both ways.
心理过程是解决生活问题的工具。
The work is a kind of mapping.
The secret to success is to know something nobody else knows.
科学的乐趣在于旅程，而不仅仅是终点。
