Sheldon：All right, what if we use this twoinch PVC

to reinforce the center crosssupport?

Howard：No good.

It might work for the Japanese and the Americans,

but have you seen the size of the Russians they got up there?

This thing has to hold up against a hearty potatobased diet.

Leonard：I feel terrible.

Howard：Maybe if you were helping, you'd feel better about yourself.

Leonard：I deliberately tried to sabotage Stuart's date with Penny.

Raj：Of course you feel terrible. You completely screwed up your karma.

Sheldon：You don't really believe in that superstition, do you?

Raj：It's not superstition. It's practically Newtonian.

For every action, there's an equal and opposite reaction.

Leonard pretends to be a friend and acts like a twofaced bitch.

Therefore, he is reborn as a banana slug.

It's actually a very elegant system. You know, what goes around comes around.