Question

Quote on "Not Marble nor gilded monuments".....

Answer 1

It could be pen is mightier than sword

Or

Literature is greater than this monuments.

Answer 2

in this poem poet has described that art can withstand the time. the monuments get full and lose their shine with time. but even the godly powers of Mars can't destroy his poem. thus his friend or beloved will be immortal. he will always love in this poem. he also says that time is also" as it can change the favourable condition into unfavorable . it doesn't spare anyone.
so in this poem we learnt about time and that poet is very confident about his writing skills.