你无法管理你无法衡量的东西。
The key to fighting poverty is to break it down into smaller, more manageable problems.
"History is not the past. It is the present. We carry our history with us. We are our history."
教学的艺术在很大程度上在于唤醒年轻心灵的自然好奇心,并用知识的营养来满足它。
Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you.