Take heed, therefore brethren [pastors], for the enemy hath a special eye upon you. You shall have his most subtle insinuations, and incessant solicitations, and violent assaults. As wise and learned as you are, take heed to yourselves, lest he outwit you. The devil is a greater scholar than you, and a nimbler disputant: he can transform himself into an angel of light to deceive: he will get within you, and trip up your heels before you are aware: he will play the juggler with you undiscerned, and cheat you of your faith or innocency, and you shall not know that you have lost it; nay, he will make you believe it is multiplied or increased, when it is lost. You shall see neither hook nor line, much less the subtle angler himself, while he is offering you his bait. And his bait shall be so fitted to your temper and disposition, that he will be sure to find advantages within you, and make your own principles and inclinations betray you; and whenever he ruineth you, he will make you the instruments of ruin to others.
~Excerpts from The Reformed Pastor
By Richad Baxter (1615-1691)