任何文化的艺术都是其社会关系的体现。
The art of any culture is the exponent of its social relationships.
Leadership means making tough decisions today that will benefit the industry tomorrow.
To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing.
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.
在热量下降过程中，动力显然随冷热物体之间的温差增大而增加。
除了鲜血、劳作、泪水和汗水，我没有其他可奉献的。