July 23

 …it is not only their fellow human beings that the beloved of God must treat with mercy and compassion, rather must they show forth the utmost loving-kindness to every living creature. [1] For in all physical respects, and where the animal spirit is concerned, the selfsame feelings are shared by animal and man. Man hath not grasped this truth, however, and he believeth that physical sensations are confined to human beings, wherefore is he unjust to the animals, and cruel. 
- ‘Abdu’l-Baha  (‘Selections from the Writings of ‘Abdu’l-Baha’)
[1] “all except animals which are harmful…”