Leonardo Da VinciThe day will come when men such as I will look upon the murder of animals as they now look upon the murder of men.
Thomas EdisonNon-violence leads to the highest ethics, which is the goal of all evolution. Until we stop harming all other living beings, we are still savages.
George Bernard ShawI choose not to make a graveyard of my body for the rotting corpses of dead animals.
Mahatma GhandiThe greatness of a nation and its moral progress can be judged by the way its animals are treated.
Albert SchweitzerUntil he extends the circle of his compassion to all living things, man will not himself find peace.