![Okay. Now, see you look sincere
but your words are completely false.
Okay. Now, see you look sincere
but your words are completely false.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Okay. Now, see you look SINCERE
but your words are completely false.
The Big Bang Theory Season 10, Episode 6
![I sense that's not sincere,
although I have no idea why.
I sense that's not sincere,
although I have no idea why.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I sense that's not SINCERE,
although I have no idea why.
The Big Bang Theory Season 3, Episode 11
![Not to Not to](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Not to "Sin City" but to "SINCERE city."
The Big Bang Theory Season 9, Episode 13
![And I want you to know that
that is sincere. I do feel bad.
And I want you to know that
that is sincere. I do feel bad.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And I want you to know that
that is SINCERE. I do feel bad.
The Big Bang Theory Season 9, Episode 13
![If you're interested in making
a sincere effort to be a good teacher...
If you're interested in making
a sincere effort to be a good teacher...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
If you're interested in making
a SINCERE effort to be a good teacher...
The Big Bang Theory Season 8, Episode 2