It is a perpetual presence, like the energy of the sun that vitalises the whole earth, whether the sun shines in the sky or has set.
(It; is; a perpetual presence) (the sun; vitalises; the whole earth) (the sun; shines; L:in the sky) (the sun; has set; )
It the sun the sun the sun
is vitalises shines has set
a perpetual presence
the whole earth
L:in the sky