them, and by giving them up to judicial hardness: through the lusts of their own hearts. The heart of man is the source of all wickedness; the lusts that dwell there are many, and these tend to uncleanness of one sort or another: by it here is meant particularly bodily uncleanness, since it is said they were given up to dishonour their own bodies between themselves; either alone, or with others; so that as they changed the glory of God, and dishonoured him, he left them to dishonour themselves by doing these things which were reproachful and scandalous to human nature.