Newton''s 5th law:
Dunya Gol hai,
Chooha Billi say darta ha, billi Kuttay se, kuta Aadmi say, aadmi Biwi say, or Biwi Choohay say. Hence Proved. Dunya Gol hai.!
Teacher :Tomorrow there will be a lecture on Sun.Everyone must attend it.
Raju:No ma''m! I will not be able to attend it.
Teacher :Why?
Raju:My mother will not allow me to go so farr !!