![...but the foundation of gift-giving
is reciprocity.
...but the foundation of gift-giving
is reciprocity.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...but the FOUNDATION of gift-giving
is reciprocity.
The Big Bang Theory Season 2, Episode 11
![the Gretchen and Elliott Schwartz
Foundation,
the Gretchen and Elliott Schwartz
Foundation,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
the Gretchen and Elliott Schwartz
Foundation,
Breaking Bad Season 5, Episode 15
![Hang on, let's talk about it. This is a
National Science Foundation expedition.
Hang on, let's talk about it. This is a
National Science Foundation expedition.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Hang on, let's talk about it. This is a
National Science Foundation expedition.
The Big Bang Theory Season 2, Episode 23
![Loyalty is the foundation
on which the Night's Watch is built.
Loyalty is the foundation
on which the Night's Watch is built.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Loyalty is the FOUNDATION
on which the Night's Watch is built.
Game of Thrones Season 6, Episode 1
![The National Science Foundation
The National Science Foundation](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
The National Science Foundation
The Big Bang Theory Season 7, Episode 6