For you are infinite and never change. In you ‘today’ never comes to an end: and yet our ‘today’ does come to an end in you, because time, as well as everything else, exists in you. If it did not, it would have no means of passing. And since your years never come to an end, for you are simply ‘today’. The countless days of our lives and of our forefathers’ lives have passed by within your ‘today’. From it they have received their due measure of duration and their very existence. And so it will be with all the other days which are still to come. But you yourself are eternally the same. In your ‘today’ you will make all that is to exist tomorrow and thereafter, and in your ‘today’ you have made all that existed yesterday and for ever before. – Confessions

When You Have An Evil Thought, Do This! | St. Alphonsus Liguori
"When an evil thought is presented to the mind, we must immediately endeavor to turn our thoughts to God, or to something which is indifferent. But the first rule is, instantly to invoke the names of Jesus and Mary and to continue to invoke them until the temptation...