Joey: So if the train leaves Station B 15 minutes later, and the sun is 86° overhead, when will the shadows of the two trains be equal in length?
Brandon: The horse's name was Friday.
Origin:
When you get a tip for a horse race, the tip is better as nearer it is to the horse e.g. the jockey or the trainer. When you got it straight from the horse's mouth, you have it directly from the source.
boy: dad, sorry, I'll skip dinner tonight and (...)
father: (...) finish your chemistry and physics projects you are working on? That would be nice.
kodem koll, dad, stop putting words in the horse's mouth, and FYI it's actually Italian and Latin homework I was going to work on, later on the chemistry and physics.