L: Mama, shadow!
M: Yes, it’s a shadow. You see the shadow because there is light.
L: Shadow and light.
M: A shadow is created when something blocks the light.
L: *repeats after me slowly after each sentence from this point on*
M: The shadow is as important as the light.
M: The shadow reminds us that there is light beyond it. Without light, there is no shadow. Without shadow, we forget there is light.