"And thou his son, O Belshazzar, hast not humbled thine heart, though thou knewest all this; But hast lifted up thyself against the Lord of heaven; and they have brought the vessels of his house before thee, and thou, and thy lords, thy wives, and thy concubines, have drunk wine in them; and thou hast praised the gods of silver, and gold, of brass, iron, wood, and stone, which see not, nor hear, nor know: and the God in whose hand thy breath is, and whose are all thy ways, hast thou not glorified: Then was the part of the hand sent from him; and this writing was written." (Daniel 5:22-24)
Daniel's boldness and zeal are enough to put any believer to shame. The Christian is often intimidated by the slightest confrontation when he should be ready at all times "...to give an answer to every man...(I Peter 3:15)." In spite of God's warning through Nebuchadnezzar, you have rebelliously exalted yourself against God was Daniel's pointed rebuke to the king. Should Belshazzar have killed Daniel for his words what would it have mattered? Daniel's soul abode "...under the shadow of the Almighty (Psalm 91:1)." When a believer lifts his eyes from the temporal pain to the eternal glory, he too may enjoy such liberty to speak as he ought in the midst of impossible circumstances.
Nabonidus had collected the various false deities from the surrounding villages and deposited them in Babylon in hopes that they would bring about deliverance from the Persians. Daniel boldly points out the useless nature of these false gods. His speech was anything but politically correct; however, it was entirely biblical and that is all that matters.
Daniel ends his sermon by drawing the king's attention to the fact that his very breath and movements are in the hands of God. When dealing with people, the believer must never forget that every person must be brought face to face with this reality. Unless there is a willingness to acknowledge God's supreme authority, there can be no conversion. Many false professions have been a result of failing to deal appropriately with God's authority.
Belshazzar's time was past. More than likely, he had reached the point of no return in his blasphemy; however, for the sake of principle, his root sin needed to be dealt with and perhaps there was a soul in the midst of it all who had been adequately moved by the evening's events so that such words would take effect. Only eternity can tell.
Romans 1:21 says, "...when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened." Belshazzar is a supreme illustration of this truth. He came to some understanding of who God is through the records of Nebuchadnezzar as well as through the testimony of Daniel, yet he chose to reject God. When a person comes face to face with who God is but then proceeds to reject Him, the end is always fearful and dark. In principle, a believer can practice this very same concept. How terrifying it is to trifle with the principles of such a horrible sin! Let every child of God consistently give Him glory. May the believer never attempt to rob God of His glory in even the slightest way. Such actions are not only dangerous, but ultimately they are doomed to failure (Isaiah 42:8).