每个移民都携带着一个看不见的记忆行李箱。
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。
Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.