Purity is half of faith
الطُّهُورُ شَطْرُ الْإِيمَانِ
At-tuhuru shatru-l-iman.
"Purification is half of faith."
Narrated by Abu Malik al-Ash'ari. Sahih Muslim 223 · Nawawi's Forty · #23
A short reflection
Wudu isn't only water, it's a reset, and half of what faith asks of the body.