J Paul Getty On Dealmaking
“My father said: ‘You must never try to make all the money that’s in a deal. Let the other fellow make some money too, because if you have a reputation for always making all the money, you won’t have many deals.'” J. Paul Getty
About Keerthika Singaravel
wealthymatters 
The idea of trade contract is both sides should walk away the winner, otherwise it is a parasitic deal.
A very succinct way of putting it.