The idea that a bell rings to signal when investors should get into or out of the market is simply not credible.
Challenges are opportunities in disguise.
我通常会说心里话,但这年头说出真心话是个错误,容易引起他人误会。
野外的规则是适者生存。你必须强壮、聪明、适应力强才能生存下来。