Mind Quotes - Page 272
Sri Aurobindo (2016). “Bases of Yoga: Art of living”, p.59, editionNEXT.com
Spencer W. Kimball (1982). “The Teachings of Spencer W. Kimball, Twelfth President of the Church of Jesus Christ of Latter-day Saints”
"The Oedipus Tyrannus of Sophocles". 429 BC.
"De Beneficiis". Book by Seneca the Younger, I. 1,