Greg Sanders: I'm like a sponge- I absorb stuff.
Gil Grissom: That's my line.
Greg Sanders: I know. I absorbed it.

By the way, the definition of "retard" is "to hinder" or "to hold back". I think your life is about to become "retarded".

Nick: [after Greg opens a cupboard and pulls out a book] "I thought that's where you kept your porn."

Greg: "I move it around."

Warrick - Hey Grissom, who brings a gun to a knife fight?

Grissom - The winner?

I don't trust people, they tend to lie. Evidence nevers lies.

Captain Jim Brass: Hey, look what I found: a knife with blood on it.
Gil Grissom: Hey, look what I found: dead guy.

Grissom: Question. You come home, see your husband lying in the driveway, what do you do?
Greg: ...Is that a trick question?

Greg Sanders: (Speechless)

Sara Sidle: You know, that technically makes you a cannibal.

Greg Sanders: -(Glares

Sara Sidle: Grissom would be proud.

Greg Sanders: Grissom would have tasted... more

Catherine: Definitely a crime of passion.

Grissom: You think a female did this?

Catherine: I could have.

Grissom: I'm scared of you.