Reformed soteriology succeeds in remaining Christocentric precisely because it insists on a theocentric causality. Arminian soteriology fails to be Christocentric because it insists upon an anthropocentric causality.
Richard Muller, “Predestination and Christology in Sixteenth-Century Reformed Theology,” (438) quoted in Joel R. Beeke, Debated Issues in Sovereign Predestination: Early Lutheran Predestination, Calvinian Reprobation, and Variations in Genevan Lapsarianism, 106.