1) Leah declaring she's "as smart as her papa doc" because she figured out before he did that she "has a hearing infection [ear infection] and needs medicine."
2) Pete declared one day in the car: "Mommy, when I die, I'm gonna PUNCH King Herod in the face."
3) Upon asking what he had drawn, Sammy answered, "My fart!"
4) the video below. Try not to laugh. Gets me every time :).