God has given us many things in this life upon which to bestow our affections, but when we carry to excess that which in itself is lawful we become idolaters. . . . Anything that separates our affections from God and lessens our interest in eternal things is an idol. Those who use the precious time given them by God–time that has been purchased at an infinite cost–in embellishing their homes for display, in following the fashions and customs of the world, are not only robbing their own souls of spiritual food, but are failing to give God His due. The time thus spent in the gratification of selfish desires might be employed in obtaining a knowledge of the Word of God, in cultivating our talents, that we might render intelligent service to our Creator. . . . God will not share a divided heart. If the world absorbs our attention, He cannot reign supreme. If this diminishes our devotion for God, it is idolatry in His eyes….
That I May Know Him, page 322