The world is flat, but the playing field is not level.
世界是平的，但竞技场并不公平。
I try to get rid of people who confidently answer questions about which they don't have any real knowledge.
Life is what happens when you’re busy making other plans.
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。
追求真理是人类最高尚的事业。