Every attempt to base baptism on one of the consequences or fruits of the [covenant] promise (knowledge of salvation, personal faith, change of heart, etc.) is bound to fail; it is entangled in insurmountable difficulties and insoluble contradictions, and-a fact decisive in our judgment-it does not take into account the united testimony of the Biblical data which relate or are relevant to baptism as a sacrament of the covenant of grace. Pierre Marcel