When Sadoleto's letter was received in Geneva, a provisional reply was sent, awaiting further information. But who was capable of providing more information? Everyone rightly considered Sadoleto to be a very learned man. The letter had a gentle tone and made a great impression. No one dared to reply. And so, uneasiness grew in Geneva and in the other Swiss cities that had accepted the Reformation. What would happen now in Geneva?
John Calvin's reply to Sadoleto marked the beginning of his return in 1541.