I retweeted this, but I found it so interesting I wanted everybody around here to take a look at it.

http://www.rubyist.net/~matz/slides/oscon2003/mgp00001.html

Even if you forget about the language-specific stuff (very smal, well placed part on the end of the slides), the message is awesome.

Really, it changed the way I think about programming languages. You should REALLY go through it.

EDIT: Good to notice the text @wycats used on his original tweet:

BTW: I personally find http://bit.ly/cohAGX a great summary of the philosophy behind Ruby

If you never learned ruby (You should, shame on you, you had this, this and a ton of other reasons), this phrase should make you begin now.