![I want a proof of life of each hostage,
I want a proof of life of each hostage,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I want a PROOF of life of each hostage,
Money Heist Season 1, Episode 9
![](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
"A PROOF that algebraic topology...
The Big Bang Theory Season 6, Episode 3
![finds proof of alien life.'
finds proof of alien life.'](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
finds PROOF of alien life.'
The Big Bang Theory Season 12, Episode 20
![quite the opposite,\Nif the proof of life failed,
quite the opposite,\Nif the proof of life failed,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
quite the opposite,
if the PROOF of life failed,
Money Heist Season 1, Episode 10
![Conclusive proof that I am
absolutely worthless
Conclusive proof that I am
absolutely worthless](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Conclusive PROOF that I am
absolutely worthless
The Big Bang Theory Season 5, Episode 7