- Keen OBSERVATION, goodbye.
- You see where you went wrong, don't you?
The Big Bang Theory Season 1, Episode 12
...correcting for OBSERVATION bias
and postulate an initial dating age of 15...
The Big Bang Theory Season 4, Episode 1
Are you familiar
with Darwin's OBSERVATION...
The Big Bang Theory Season 4, Episode 18
True. I've had a similar OBSERVATION.
The Big Bang Theory Season 2, Episode 15