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
As you sit in meditation in a darkened room, practice directing your consciousness inward, to the center of your brain. If you are able to perceive light within your body, you are on the path to immortality.