理论不应该试图解释所有事实，因为有些事实是错误的。
A theory should not attempt to explain all the facts, because some of the facts are wrong.
教育者的心必须是一团活生生的火焰，能够点燃年轻人灵魂的火焰。
世间的每一瞬间皆为圆满。
When you meet with opposition, even if it should be from your husband or your children, endeavor to overcome it by argument and not by authority, for a victory dependent upon authority is unreal and illusory.
Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.