
...because you can't conceive of something
that you are not an EXPERT in.
The Big Bang Theory Season 2, Episode 9

Is your bomb EXPERT here?
Money Heist Season 3, Episode 6

Why be polite to the world's leading
EXPERT on the dung beetle?
The Big Bang Theory Season 3, Episode 2

...you're an EXPERT on rings.
The Big Bang Theory Season 8, Episode 24

But the thing is that everyone
is an EXPERT in something.
Money Heist Season 1, Episode 11