I met in the street a very poor young man who was in love. His hat was old, his coat worn, his cloak was out at the elbows, the water passed through his shoes, - and the stars through his soul. Victor Hugo

"I have kept my feet from every evil path so that I might obey your word." Psalm 119:101

Shoes act as shock absorbers. Wear shoes with soft, cushioned soles or inserts to protect your back.