The Doctor and Mundy in “Boom”

I mean, most armies would notice that they were fighting smoke and shadows, but not this lot, Ruby! You know why? 'Cause they have faith.

Shut up!

"Faith"! The magic word that keeps you never having to think for yourself! Just surrender, Mundy. Just stop... and it's all over.

Prove it.

What, seriously? Now you need proof, faith girl?