What does the imagery in the lines "In the pit of his eye's a spark / Would bring back day if it were dark;" convey about Cupid's abilities?

Leave his weeds and heed his eyes,—
All the rest he can disguise.
In the pit of his eye's a spark
Would bring back day if it were dark;

He has the power to restore love.
He is able to predict the future.
He is capable of great lies.
He can manipulate time.