Unless you have already put God first, for example, what you will have to do to be financially secure, impress other people, or fulfill your desires will invariably lead you against God's wishes. That is why the first of the Ten Commandments, “You shall have no gods who take priority over me,” is the first of the Ten Commandments.
Dallas WillardImagine that you had discovered gold or oil on a certain property, and no one else knew about it. Can you see yourself being sad and feeling deprived for having to gather all your resources and sacrifice them in order to buy that property? Hardly. Now you know what it is like to deny yourself, take up your cross, and follow Jesus.
Dallas Willard