It is important, in a practical point of view, to see that we cannot be governed by two objects at the same time. For example, I cannot have before my mind as objects my worldly interests and the interests of the gospel of Christ. If I go to a town for the purpose of setting-up in business, then, clearly, business is my object, and not the gospel. I may, no doubt, propose to myself both to attend to business and to preach the gospel as well; but, all the while, either one or the other must be my object. It is not that a servant of Christ may not most blessedly and effectually preach the gospel and attend to business also: he assuredly may; but, in such a case, the gospel will be his object, and not business. Paul preached the gospel and made tents; but the gospel was his object, and not tent-making. If I make business my object, the gospel preaching will speedily prove to be formal and unprofitable work; yea, it will be well if it be not made use of to sanctify my covetousness. The heart is very treacherous; and it is often truly astonishing to see how it deceives us when we desire to gain some special point. It will furnish, in abundance, the most plausible reasons; while the eyes of our understanding are so blinded by self-interest or unjudged wilfulness, as to be incapable of detecting their plausibility. How frequently do we hear persons defending a continuance in a position which they admit to be wrong, on the plea that they thereby enjoy a wider sphere of usefulness. To all such reasoning, Samuel furnishes a pointed and powerful reply: "To obey is better than sacrifice, and to hearken than the fat of rams." Which was--Abraham or Lot--able to do the more good? Does not the history of those two men prove beyond a question that the most effectual way to serve the world is to be faithful to it, by separating from and testifying against it?