富人与你我不同。
The rich are different from you and me.
The best illustrations are those that leave room for the reader's imagination.
The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.
The main task in life is simply this: to identify and separate from the things that are not ourselves, so that we can become ourselves.
可持续性不仅仅是植树;它是为了正确的理由在正确的地方种植正确的树木。
"No hay nada más peligroso que una idea cuando es la única que se tiene."