The Big Bang Theory - The Friendship Algorithm Quotes

Sheldon: (after Leonard whistles two notes) FIRST WARNING!

Sheldon: A fear of heights is illogical. A fear of falling, on the other hand, is prudent and evolutionary.

Sheldon: What part of an inverse tangent approaching an asymptote don't you understand?

Sheldon: That's awfully sticky.

Sheldon: Your robot is inferior and it will be defeated by ours because ours exceeds yours in both design and execution. Also, I'm given to understand that your mother is overweight.
Raj: Oh, snap.
Sheldon: Now of course if that is a result of a glandular condition and not sloth and gluttony, I withdraw that comment.
Raj: What difference does it make, fat is fat!
Sheldon: There are boundaries!

Wolowitz: *After he fixed Sheldon's algorithm* Gee, why can't Sheldon get a friend?