Yoga Sutras of Patanjali translated by Yogi Kalinath - Chapter 1, Verse 37
Pada 1, Sutra 37
Vitaragavisayam va cittam
Or steadiness of the mind is achieved when the mind is fixed on those who have conquered attachments.
Like attracts like. If we choose to focus on the Image of a Realized Soul / Saint / Divine Incarnation and contemplate their lives and sayings on a regular basis, this association will be of great benefit by attracting to us on a psychic level (i.e. in our psyche through relating and identifying with them) their divine character traits.
This Spiritual Exercise will quell the Citta Vrittis and over time divinize the mind and its contents.