Mumm Ra is right! He means "Stay up at night and watch your girl, sleep in the day cause "it's sunlight" --> means there's light everywhere, your homies see if your girl is with another man.
RZA goes even further and says : never give your gun to a friend cause he never bring it over again, never leave your hoe alone with your dawg cause he might try to bury his bone ...
Not many last in the game , Wu-Tang comin through breaking out the same way we came. This is not an act , this is actual fact , nothing but experience placed upon the tracks.