Two good sources to learn from:
Ruby Central
ROR on Wikipedia
Two good sources to learn from: Ruby Central ROR on Wikipedia
Also : Try ruby in your browser!
Why's Poignant Guide (a lighthearted and fun introduction to the language
The Little Book Of Ruby: http://www.sapphiresteel.com/The-Little-Book-Of-Ruby
Free eBook, plus source code. :)
You can refer to my Ruby Study Notes (the way I learned Ruby) here - http://rubylearning.com/
I have a Ruby Tutorial specifically written for new programmers. it will include well organized content, charts and diagrams to learn from.
I give another vote to http://poignantguide.net/ruby/ :)
Also, I think that the Wikipedia article for RoR is not really a good resource for learning how to write Ruby.