If you have men who will exclude any of God's creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men.

Francis of Assisi (Italian: San Francesco d'Assisi born Giovanni di Pietro di Bernardone but nicknamed Francesco ("the Frenchman") by his father 1181/1182 – October 3 1226) was an Italian Catholic friar and preacher. ISBN 978-1-57659-127-7
Saint Francis of Assisi by John R. Main writings

Canticum Fratris Solis or Laudes Creaturarum Canticle of the Sun.

Peter's Basilica. He lived the high-spirited life typical of a wealthy young man even fighting as a soldier for Assisi. Francis of Assisi (Italian: San Francesco d'Assisi born Giovanni di Pietro di Bernardone but nicknamed Francesco ("the Frenchman") by his father 1181/1182 – October 3 1226) was an Italian Catholic friar and preacher.