儿童的进步不是取决于年龄,而是取决于能够自由地观看他周围的一切。
我不是环境的产物。我的环境是我的产物。
跨境合作是解决全球森林砍伐的唯一途径。
The secret of happiness is to expand your interests as much as possible and to be as kind as possible to the people and things that interest you.