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.!
2 Men searchig for their lost wifes 1st: how''s ur wife look like?2nd:beautiful,bold,tall,blue eyes.What about urs?1st: Meri nu maar goli,chal teri labiye :-D