Leonard : Penny is not the reason I didn't pursue that idea.
Sheldon : Oh, really? Since meeting her, what have been your greatest accomplishments?
Raj : Easy. Sleeping with Penny.
Howard : Getting Penny to go back out with him after she dumped him.
Raj : Tricking Penny into getting engaged.
Howard : And a few weeks ago he almost did a pull-up.
Leonard (to Sheldon) : I think someone owes me an apology.