What is perfection in love? Love your enemies in such a way that you would desire to make them your brothers ... For so did He love, Who hanging on the Cross, said "Father, forgive them, for they know not what they do." (Luke 23:34)
A very weighty argument is this namely, that neither does the light which descends from thence, chiefly upon the world , mix itself with anything, nor admit of dirtiness or pollution, but remains entirely, and in all things that are, free from defilement, admixture, and suffering.
Thus the good christian should beware of mathematicians and all those who make false prophecies, however much they may in fact speak the truth; lest, being in league with the devil, they may deceive errant souls into making common cause.
Does God proclaim Himself in the wonders of creation? No. All things proclaim Him, all things speak. Their beauty is the voice by which they announce God, by which they sing, "It is you who made me beautiful, not me myself but you.