Book of Matthew - Chapter 9 - Verse 16

Jesus used the metaphor of putting a piece of new cloth onto an old garment to explain the principle of compatibility. In this verse, he is illustrating that new teachings or practices cannot simply be added to old, established ways of living or thinking. Just as a new piece of cloth will not shrink and stretch in the same way as an old garment, new beliefs or practices will not seamlessly integrate with old ones. Attempting to do so would result in damage to the old ways without fully benefiting from the new. Jesus is emphasizing the importance of discernment and wisdom when introducing new ideas or customs, urging his followers to be mindful of the impact of their actions. By understanding and appreciating the differences between old and new, individuals can adapt and grow without causing harm or discord.

One possible theological interpretation of the verse "No man putteth a piece of new cloth unto an old garment, for that which is put in to fill it up taketh from the garment, and the rent is made worse," is that it highlights the importance of understanding the nature of spiritual growth and transformation. Just as new cloth cannot be simply patched onto an old garment without causing damage, spiritual growth requires a complete transformation rather than a superficial change. The verse may encourage believers to be open to God's transformative work in their lives, rather than simply trying to patch up or cover over their flaws. This may involve letting go of old ways of thinking and living, in order to make room for the new and vibrant life that God desires to give.