The lesson is that clothing must not be used to elevate oneself or mask hypocrisy. God knows the true self one tries to cover with fancy garments. The Bible emphasizes that real beauty and worth are found in inner character, not outward appearance. (See Vol. 201: “What the Bible says about appearance.”)
Jesus’ teachings that involve clothing serve to illustrate broader spiritual truths:
Trust God to provide for your material needs. Do not use clothes to seek admiration or status; what is most important is what lies beneath your garments, especially your relationship with God.