Booth and Brennan in "The Fact in the Fiction."
Added:

Bones Season 8 Episode 17 Quotes

Wells: Just because something is theoretically impossible doesn't mean that it's not possible.
Bones: I believe that is exactly what it means.

Sweets: But still, to face a pack of wild animals alone...
Booth: I'm sure you could just bore them to death with your shrinky talk.