A strong yet flexible mind can never be an overnight attainment; the process takes many years.

"As long as the breath is restrained in the body, the mind is devoid of thought, and the gaze is centered between the eye..."

"Non-violence, truth, non-stealing, continence, forgiveness, endurance, compassion, humility, moderate diet, and cleanlin..."

"By systematically restraining the prana (breath), the nadis and chakras are purified, allowing the prana to enter the su..."

"When the mind ceases to be fickle and is united by fixing it in nada, it becomes immobile like a wingless bird."