教育者的心必须是一团活生生的火焰，是温暖和光明的源泉。

Every building has at least two lives - the one imagined by its maker and the life it lives afterward.

I am not what I am.

我不考虑消极的事情。我只考虑积极的事情。

短期收益绝不应损害长期可持续性。