Evil unchecked grows, evil tolerated poisons the whole system.
Jawaharlal Nehru, M. Chalapathi Rau, H. Y. Sharada Prasad, Bal Ram Nanda (1972). “Selected Works of Jawaharlal Nehru: Advisory Board: M. Chalapathi Rau, H. Y. Sharada Prasad, and B. R. Nanda; General Editor: S. Gopal”