Great video on how the existence of morality is evidence for the existence of God.
Also listen carefully to atheists and moral relativists. They have great difficulty going three sentences without contradicting their worldview by assuming objective morality.
Romans 1:18-20 For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who by their unrighteousness suppress the truth. For what can be known about God is plain to them, because God has shown it to them. For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse.