Death may be the greatest of all human blessings.
In times of change, the learners inherit the earth while the learned find themselves beautifully equipped to deal with a world that no longer exists.
爱不是容易的事。
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。
思想之流,意识之流,总是在流动。