尊重孩子正在进行的所有合理的活动并试着了解,是我们教育方法中最首要的原则。
可持续性不是一种选择,而是我们对下一代的责任。
I think of a hero as someone who understands the degree of responsibility that comes with his freedom.
我们衡量成功的标准不仅是产量多少,还有生态系统的改善程度。
Success is not final, failure is not fatal: It is the courage to continue that counts.