Of course everyone is different, but I've always found that learning a new language gives me insights into the ones I already know. Fairly often, something I found tricky difficult to understand, becomes clearer when I encounter it in another language. I haven't yet found that I lose anything by adding to my knowledge. YMMV, of course...

My brain is over 50 years old... I don't remember if it's relevant.

In reply to Re: perl primary, and keeping multiple languages in your head, and ruby by spiritway
in thread perl primary, and keeping multiple languages in your head, and ruby by water

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