Blindness indicates the lack of life. If you have life, then you have sight, for light opens your eyes. So, first of all, the Lord pointed out that the blind man needed the light of life.

The branches are in an intimate relationship with the vine

As long as we have eternal life, we have eternal security. What can be more secure than eternal life? I have the real insurance policy in my spirit. Not only do I have eternal life, but I have two hands—the Son’s hand of power and the Father’s hand of love.

This warns us that the real foot-washing is only for the people who are genuinely in the fellowship with the Lord.