The entire quatrain where that phrase is found talks about time itself. It says that time gives beauty, thus making that particular person handsome, but time also takes away that same beauty - unfair which fairly doth excel. What was once young and beautiful will become old and wither as time goes by.
Answer:
Its important because knowing basic information can help out when doing literature .It gives us more and more information . It would also make things very easier to understand
Explanation:
One reason is because u will be willing to learn in the comfort of ur own home and wont have to travel every morning