Who preached christian humanism and used writings and a call to reform by preaching peace reason tolerance and love?

Desiderius Erasmus is the key figure associated with Christian Humanism, advocating for a return to the original texts of Christianity and emphasizing moral philosophy. He used his writings, including "In Praise of Folly," to promote ideas of peace, reason, tolerance, and love, calling for reform within the Church and society. Erasmus believed that true piety came from an inner moral conviction rather than mere adherence to rituals. His approach sought to reconcile humanist philosophy with Christian teachings, aiming for a more enlightened faith.