Which famous spiritual organization first used the tagline "Know Thyself" as part of its modern branding strategy, despite the phrase's ancient origins?

Throughout history, religious organizations and spiritual brands have crafted memorable taglines to spread their messages and connect with followers. From ancient scriptural phrases repurposed for modern outreach to contemporary marketing efforts by faith-based organizations, these slogans shape how people engage with spiritual teachings. Test your knowledge of how religion and philosophy intersect with modern marketing approaches in this thought-provoking poll.

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Self-Realization Fellowship (founded by Paramahansa Yogananda)
School of Practical Philosophy
Transcendental Meditation movement (founded by Maharishi Mahesh Yogi)
The Rosicrucian Order (AMORC)