“Colonel: Tell me what is the T.R.U.T.H, Doctor!Doctor: Total.Reveal.Using.Therapeutic.Hologram”

“I'll tell you one thing. Being with you keeps a girl fit.' The Doctor beamed breathlessly at her. 'Fun to be with and good for you. Gotta be just what the doctor ordered.”

“The Doctor: Doctor Song, you've got that face on again.River: What face?The Doctor: The "He's hot when he's clever" face.River: This is my normal face.The Doctor: Yes it is.River: Oh, shut up.The Doctor: Not a chance.”

“William Shakespeare: 'Close up this din of hateful decay, decomposition of your witches' plot! You thieve my brains, consider me your toy, my doting doctor tells me I am not!' Lilith: No! Words of power! William Shakespeare: 'Foul Carrionite specters, cease your show, between the points... ' [he looks to The Doctor for help] The Doctor: 761390! William Shakespeare: '761390! Banished like a tinker's cuss, I say to thee... ' [he again looks to The Doctor] The Doctor: Uh... [he looks to Martha] Martha Jones: Expelliarmus! The Doctor: Expelliarmus! William Shakespeare: 'Expelliarmus!' The Doctor: Good old JK!”

“Tell me, Doctor, are you afraid of death?""I guess it depends on how you die.”

“The best doctors in the world are Doctor Diet, Doctor Quiet, and Doctor Merryman. ”