~: gem install t
WARNING:  Installing to ~/.gem since /Library/Ruby/Gems/1.8 and
	  /usr/bin aren't both writable.
WARNING:  You don't have /Users/patrick/.gem/ruby/1.8/bin in your PATH,
	  gem executables will not run.
ERROR:  Error installing t:
	activesupport requires i18n (~> 0.6, runtime)
~: