Tirukkural 203: Dread of Evil Deeds

To do no evil to enemies will be called the chief of all virtues.

Image of Satguru Sivaya Subramuniyaswami
Remember, your powers of observation are cultivated by abstinence from excessive talk. That is all you have to do to begin with--be more silent and observing, not wasting or dissipating this most vital power.
—Gurudeva