"Wow, that's cool!"
When I say "no" he says, "Awww, why?" But has no idea what it means.
"Nooose" "Eyes" "Eeeears" while pointing at the appropriate facial part
"No clean! No clean! All done!" He hates it when we put all the toys away.
"Oofey" as he bumps his toosh down each step on the stairs.
"All done!" as I start changing his diaper or I put him in his crib.
... And a million other things that surprise me every day!