I am always glad to think that my education was, for the most part, informal, and had its roots in the soil.

Be kind,for everyone is fighting a hard battle.And if you really wanna see what people are, all you have to do... is look.

"Always assume there's a crisis around the corner."

Sustainable development requires not only vision but also concrete actions.

我们必须平衡眼前的能源需求与长期的可持续性目标。

以“我是对的”那样充满自信地讲话，但要以“我是错的”那样去聆听。