[weight of the world on one's shoulders] or [world on one's […]

[world is one's oyster] Everything is possible for you; the world […]

[world on one's back] See: [WEIGHT OF THE WORLD ON ONE'S […]

[world on one's shoulders] See: [WEIGHT OF THE WORLD ON ONE'S […]

[world without end] {adv. phr.}, {literary} Endlessly; forever; eternally. * /Each […]