
Leonard, it is a SOURCE of great pain
to me and my family...
The Big Bang Theory Season 4, Episode 18

Not only do I have a deep-cycle
marine battery power SOURCE
The Big Bang Theory Season 5, Episode 15

Old age is a wonderful SOURCE of ironies,
Game of Thrones Season 4, Episode 9

Leonard, you are my roommate,
my SOURCE of transportation...
The Big Bang Theory Season 2, Episode 13

as a SOURCE of information
The Big Bang Theory Season 11, Episode 16