The idea that a bell rings to signal when investors should get into or out of the market is simply not credible.
疯子带瞎子走路,这就是这个时代的病态。
希望是一幅美好的早餐,但却是一顿糟糕的晚餐。
"The happiness we found, the moments we felt, they’re all real."
Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.