When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.

生命太短暂，不要把时间浪费在无关紧要的事情上。

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

每个项目都是新的挑战，新的学习机会。