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
The first faculty of the expression of the inner being of your immortal soul is the great power of observation, to learn through observation, as your individual awareness detaches itself from that which it is aware of.