XXI. Now if one has a conception of God, it by no means corresponds with His worthiness. For what can the worthiness of God be? But let him, as far as is possible, conceive of a great and incomprehensible and most beautiful light; inaccessible, comprehending all good power, all comely virtue; caring for all, compassionate, passionless, good; knowing all things, foreknowing all things, pure, sweet, shining, stainless.