
So I went back to the SOURCE.
Game of Thrones Season 4, Episode 8

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

...caused by relative motion between
the SOURCE of the wave and the observer.
The Big Bang Theory Season 1, Episode 6

Coins lodged in body parts
is not a SOURCE of amusement.
The Big Bang Theory Season 5, Episode 12

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