Bespoke posted a chart that highlights how remarkable silver's run has been.
Had you invested $100 in silver ten years ago today, your investment would now be worth $1,037. A $100 investment in gold would be worth about half that at $569, and a $100 investment in the stock market (S&P 500) would be worth just $107.48.
Here is what Jim Rogers thinks about silver's move.
For more on that, here is a link to an article where he reminds that parabolic moves always collapse.