Non-violence is the greatest force at the disposal of mankind. It is mightier than the mightiest weapon of destruction devised by the ingenuity of man.
I can not give you the reference of Ram Chandar or Krishna, because they were not historical figures. I can not help it but to present to you the names of (Hazrat) Abu Bakar (RA) and (Hazrat) Umar Farooq (RA). They were leaders of a vast Empire, yet they lived a life of austerity.