The greatest gift you can give your child is the gift of self-esteem.
你能给孩子最伟大的礼物就是自尊的礼物。
The beauty of mathematics lies in its ability to reveal the hidden structures of reality.
The best ideas come when you’re not looking for them.
不要只追逐金钱，追逐你的热情。
Loneliness is the poverty of self; solitude is the richness of self.
简单的生活是高层次的思考。
The coal industry is about people, not just profits.