asaḿyatātmanā yogo
duṣprāpa iti me matiḥ
vaśyātmanā tu yatatā
śakyo 'vāptum upāyataḥ
asaḿyata — unbridled; ātmanā — by the mind; yogaḥ — self-realization; duṣprāpaḥ — difficult to obtain; iti — thus; me — My; matiḥ — opinion; vaśya — controlled; ātmanā — by the mind; tu — but; yatatā — while endeavoring; śakyaḥ — practical; avāptum — to achieve; upāyataḥ — by appropriate means.
The Supreme Personality of Godhead declares that one who does not accept the proper treatment to detach the mind from material engagement can hardly achieve success in self-realization. Trying to practice yoga while engaging the mind in material enjoyment is like trying to ignite a fire while pouring water on it. Yoga practice without mental control is a waste of time. Such a show of yoga may be materially lucrative, but it is useless as far as spiritual realization is concerned. Therefore, one must control the mind by engaging it constantly in the transcendental loving service of the Lord. Unless one is engaged in Krishna consciousness, he cannot steadily control the mind. A Krishna conscious person easily achieves the result of yoga practice without separate endeavor, but a yoga practitioner cannot achieve success without becoming Krishna conscious.