prevent what is the necessary consequence of them, and matter of daily observation. Let the fire but touch one end of the train, and it immediately runs on to the other.
7. * Once more. Let us fix our attention as studiously as we are able on any subject, yet let either pleasure or pain arise, especially if it be intense, and it will demand our immediate attention, and attach our thought to itself. It will interrupt the steadiest contemplation, and divert the mind from its favourite subject.
8. * These occasions of wandering thoughts lie within, are wrought into our very nature. But they will likewise naturally and necessarily arise, from the various impulse of outward objects. Whatever strikes upon the organ of sense, the eye or ear, will raise a perception in the mind. And accordingly, whatever we see or hear, will break in upon our former train of thought. Every man therefore that does any thing in our sight, or speaks any thing in our hearing, occasions our mind to wander more or less from the point it was thinking of before.
9. * And there is no question but those evil spirits, who are continually seeking whom they may devour, make use of all the foregoing occasions, to hurry and distract our minds. Sometimes by one, sometimes by another of these means, they will harass and perplex us, and so far as God permits, interrupt our thoughts, particularly when they are engaged on the best subjects. Nor
