Tirukkural 312: Not Doing Evil

It is the determination of the spotless not to do evil, even in return, to those who have cherished enmity and done them evil.

Image of Satguru Sivaya Subramuniyaswami
This Lord of Obstacles prevents us from hurting ourselves through living under an incomplete concept or making a request unneeded or beginning an endeavor not well thought out.
—Gurudeva