In nature there are neither rewards nor punishments; there are consequences. Robert G. Ingersoll
Of all those in the army close to the commander none is more intimate than the secret agent; of all rewards none more liberal than those given to secret agents; of all matters none is more confidential than those relating to secret operations. Sun Tzu
A situation where people can grow old without having a job that rewards them individually while adding to the collective well-being is morally unacceptable. Franco Modigliani
He who has patience with his enemy, rewards himself. Moroccan Proverb
He invites future injuries who rewards past ones. Dutch Proverb
He that rewards flattery, begs it. Italian Proverb