Episode 4.3 In The Beginning.

i am a die hard fan of supernatural and a love it so much man and i think sam has so much power and he can over power the angel(Castiel). it seems to me asif dean and sam are split up between one and other beacause dean is got the angley god side aka good and sam has the evil side with the yellow aye demon witch does not exsist in the programme anymore. message me back personaly please.