To get silk from a stone.
More Kashmiri Proverbs:
One may be generous at heart, but may not be able to afford it.Kashmiri
One should set sails with the tide.
Kashmiri
People pretend to dislike what they cannot get.
Kashmiri
It can be impossible to change an established image.
Kashmiri
A very jealous person is glad when somebody else cries, and sighs when others laugh.
Kashmiri
First for self, then for the stranger.
Kashmiri