In Sikhi cruelty is not permitted; it is an aspect of human life that has been addressed very clearly by the Sikh Gurus. "Cruelty, material attachment, greed and anger are the four rivers of fire. Falling into them, one is burnt, O Nanak!" (SGGS p 147).
If anyone wants to follow the Sikh way of life, they must discard cruelty, material attachment, greed and anger otherwise they will end up as ashes! What is the point of living a life where in the end you are thrown into the fire!
The Guru Ram Das tells us, "The hearts of the self-willed manmukhs are hard and cruel; their inner beings are dark. Even if the poisonous snake is fed large amounts of milk, it will still yield only poison." (SGGS p 171) Remove that "hardness" and "darkness" in your heart and become pure and pristine; .....More