历史学家是向后看的先知。
The historian is a prophet looking backwards.
The best solutions often come from listening to those who work the land every day.
适合从事任何特定行业的人,如果没有完全不同教育背景的人的友好帮助和合作,就无法理解该行业的科学。
Life consists not in holding good cards,but in playing well those you hold.