Tirukkural 800: Investigation in Forming Friendships

Continue to enjoy the friendship of the pure; (but) renounce even with a gift, the friendship of those who do not agree (with the world).

Image of Satguru Sivaya Subramuniyaswami
The study of yoga is reserved for the few who have the courage to seek the depths of their being, for the few who can overcome their experiences and their desires in deep meditation.
—Gurudeva