Ambrose of Milan

And therefore, according to the Law, clean animals have horns: for the Law is spiritual. For those who are able to repel the allurements of this world with the word of God and the observance of virtue, they seem to be fortified with horns like the helmets of their own heads. And rightly, the power of an astonishing speech is said to be like a horn, which ignites the good soldiers of Christ to battle so that we may snatch the spoils from the enemy, the devil. …

On the Blessings of the Patriarchs ↗