Answer :

GREATNESS OF MOM 
mother is  our first and most best teacher without her there is no life 
mother helps us in so many things  for us 
a mother is she who can take place of all others but whose place no one can take 
mother understands the felling of child if she doesnt say it also 
mother love is nothing else in the world 
GREATNESS OF FATHER
a father is neither an anchor to hold us back nor a sail to take us there but a guiding light whose love shows us way 
DAD means a sons first hero and daughters first love 
D- dedicated 
A- and
D- devoted