The truth is, we are all waiting for something to happen, even when we don't know what it is.
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。
You don’t have to be defined by the things you did or didn’t do in your past.