Sometimes it seems as if there are more solutions than problems. On closer scrutiny, it turns out that many of today's problems are a result of yesterday's solutions.

The more specific you are, the more universal you become.

"Every child is a different kind of flower, and all together make this world a beautiful garden."

A tannery's waste stream tells the story of its ethics more clearly than any mission statement.

"The beauty of science is that it allows us to understand the world in a way that is both profound and practical."

无限的耐心会带来立竿见影的效果。