How do we know God's grace is sufficient in our weaknesses?

The Apostle Paul writes in 2 Corinthians 12:9 about his own struggles with a 'thorn in the flesh', expressing his weakness and pleading with God for relief. Instead of removing the affliction, God tells Paul, 'My grace is sufficient for you, for my power is made perfect in weakness.' This profound truth reveals that in our moments of greatest need, God's grace serves as a sustaining and empowering force. It illustrates the principle that our insufficiencies can lead to the manifestation of God's strength. Just as Peter's fall and restoration display Christ's grace, our weaknesses compel us to rely entirely on God, affirming that true strength lies in dependence upon Him.