The world loved man when he smiled. The world became afraid of him when he laughed.

"Children's literature is the foundation for a lifetime of reading."

解读：仅怀着善良动机远远不够，若缺乏理性思考与科学规划，盲目推行一些举措，哪怕初心美好，也可能引发灾难性后果，警示做事要考量手段与实际效果。

Sustainability is not just about planting trees; it's about planting ideas that grow into actions.

"Sometimes the most dangerous people are the ones who seem the most ordinary."

A problem well put is half solved.