The business of education is not to make the young perfect in any one of the sciences， but so to open and dispose their minds as may make them capable of any， when they shall apply themselves to it.
教育的目的不是使年轻人在任何一门科学上都变得完美，而是要打开和培养他们的思维，使他们在将来学习任何科学时都能胜任。
粮食安全是国家安全的基石，我们必须牢牢把握在自己手中。
Hard work beats talent when talent doesn't work hard.
To understand the present, we must understand the past.
当别人都不相信你时，你必须相信自己。