"For this is the will of God, your sanctification; that is, that you abstain from sexual immorality; that each of you know how to possess his own vessel in sanctification and honor, not in lustful passion like the Gentiles who do not know God; and that no man transgress and defraud his brother in the matter because the Lord is the avenger in all these things, just as we also told you before and solemnly warned you" (I Thess. 4:3-6).
People often expend vast amounts of time, energy, and money trying to find "the will of God" for their lives. Here is one clear statement about one area that leaves no doubt what God's will is for all of us.