Meditate upon the Om that is in the heart.

[The seers call him wise] whose every attempt is free, without any desire for gain, without any selfishness.

There is no such thing as "righteous" anger or justifiable killing.

All these disciplines are for the purification of the heart. And as soon as it is pure, all truths flash upon it in a minute; all truth in the universe will manifest in your heart, if you are sufficiently pure.

Infinite perfection is in every man, though unmanifested.

Nature, body, mind go to death, not we. We neither go nor come. The man Vivekananda is in nature, is born and dies. But the Self we see as Vivekananda is never born and never dies. It is the eternal and unchangeable Reality.

Realize your true nature. That is all there is to do. Know yourself as you are - infinite Spirit. That is practical religion. Everything else is impractical, for everything else will perish.