[andrewvc]

Yes, but neither language is nearly as dynamic as ruby. That's where the costs come in. Method calls in ruby are comparatively glacial in speed.

[vinceguidry]

That's why the ten years.

[lispm]

after ten years, square wheels will suddenly be round?

[haar]

If you've been rotating them against a surface in that time period; then they'll certainly be a lot more round than when they started.