The stuff you learn beforehand will never be one-tenth as useful as the stuff you learn the hard way, on the job.

The stuff you learn beforehand will never be one-tenth as useful as the stuff you learn the hard way, on the job.

你事先学到的东西永远不会比你在工作中辛苦学到的东西有用十分之一。

-- Hugh MacLeod 休·麦克劳德