To be aware of the idea of social structure and to use it with sensibility is to be capable of tracing such linkages among a great variety of milieux.
In mathematics, the art of proposing a question must be held of higher value than solving it.
"Books are like a mirror. If an ass looks in, you can't expect an angel to look out."
Markets are not just about transactions; they are about the flow of information and the trust that underpins those transactions.
成功是一系列小胜利的积累。
Never confuse a single defeat with a final defeat.