We don't inherit the land from our ancestors; we borrow it from our children.
非经典逻辑的研究不仅是一种学术练习,更是理解复杂系统的必要条件。
The magic, the wonder, the mystery and the innocence of a child's heart are the seeds of creativity that will heal the world.
The only way to do great work is to love what you do.
Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact, “I have a rule for X” is the only excuse you need for your own personal policies.
Sustainable development requires us to balance economic growth with environmental protection.
Never stop learning—the moment you think you know everything is the moment you start falling behind.
永远不要停止学习——当你认为自己什么都懂的那一刻,就是你开始落后的时刻。