"Man wants truth, wants to experience truth for himself; when he has grasped it, realised it, felt it within his heart of hearts, then alone, declare the Vedas, would all doubts vanish, all darkness be scattered, and all crookedness be made straight...The science of Raja-Yoga proposes to put before humanity a practical and scientifically worked out method of reaching truth." -Swami Vivekananda, Raja Yoga 1896(?)
Full copy of "Conquering the Internal Nature: Raja Yoga" Yoga Sutra commentary by Swami Vivekananda