>Every programmer needs to know a language in the ALGOL family well. Once you do, then it’s worth branching out. Learning a new language that traces to an unfam

>Every programmer needs to know a language in the ALGOL family well. Once you do, then it’s worth branching out. Learning a new language that traces to an unfamiliar ur-language each year will pay dividends I second this. I would consider myself an intermediate level programmer and learning Scheme (via the excellent book "Structure and Interpretation of Computer Programs") took my programming to a new level and made me think of programming from a completely different angle.