Running is your best medicine, and your feet are your best shoes.
In other words, barefoot running is the smart way to achieve a healthy mind in a healthy body: Mens sana in corpore sano.
The book: Barefoot Running for Human Survival
Le livre : Courir pieds nus pour la sauver les humains
The awesome benefits of staying away from the harmful accessories: Barefoot running is the natural and free recipe to complete marathons without any pain, fatigue or injury, while efficiently stimulating the brain.