Age is foolish and forgetful when it underestimates youth.
当然,还有一点是,生活中会有可怕的打击、可怕的打击、不公平的打击。这并不重要。有些人会挺过去,有些人则不会......
Good econometrics is like good carpentry—it's all about using the right tool for the job.
在数学中,就像在生活中一样,最深刻的发现往往来自于提出最简单的问题。
"Life is either a daring adventure or nothing at all."