But they that will be rich fall into temptation and a snare, and into many foolish and hurtful lusts, which drown men in destruction and perdition. But they that will be rich - Οἱ δε βουλομενοι πλουτειν. The words are emphatic, and refer to persons who are determined to get riches; who make this their object and aim in life; who live to get money; who get all they can, save all they can, and keep all they get; and yet are apprehensive of no danger, because they seek to be rich by honest means; for it is likely that the apostle does not refer to those who wish to get riches by robbery, plunder, extortion, etc.
By the term rich it is very likely that the apostle refers to what he had said above: Having food and raiment, let us be therewith content. He that has more than these is rich in the sense in which the apostle uses the term.
Fall into temptation and a snare - Του διαβολου, Of the devil, is added by D*FG, Vulgate, Itala, and many of the fathers. It is in consequence of the temptation of the devil that they have determined to be rich; this temptation once received, others quickly succeed: and when they have swallowed down the temptation to the thing, then they drink in a thousand temptations to the means; and all these lead them εις παγιδα, into an unforeseen and concealed trap. Παγις signifies a net, trap, gin, snare, spring, or pit dug in the ground filled with sharp stakes, and slightly covered over; so that when a man, or any animal, steps upon it, he tumbles in, and is taken or destroyed. Such a snare is that into which those who will be rich must necessarily fall. But who will believe this? See on 1 Timothy 6:10 (note)
And into many foolish and hurtful lusts - The whole conduct of such a person is a tissue of folly; scraping, gathering, and heaping up riches, and scarcely affording to take the necessaries of life out of them for himself. These lusts or desires are not only foolish, but they are hurtful; the mind is debased and narrowed by them; benevolent and generous feelings become extinct; charity perishes; and selfishness, the last and lowest principle in mental degradation, absorbs the soul; for these foolish and hurtful lusts drown men in destruction and perdition - the soul is destroyed by them here, and brought through them into a state of perdition hereafter. The apostle considers these persons like mariners in a storm; by the concurrence of winds, waves, and tide, they are violently driven among the rocks, the vessel is dashed to pieces, and in a moment they are all ingulfed in the great deep! Such is the lot and unavoidable catastrophe of them that will be rich, even though they should strive to accomplish their desires by means the most rigidly honest.
In this place I beg leave to refer the reader to a sermon on this text by the late Rev. John Wesley, in which the whole of this subject is treated by the hand of a master; and, for usefulness, the sermon is superior to every thing of the kind ever published. It is entitled, The Danger of Riches; and is found in his Works, Vol. 2, page 248, American edit.