पातञ्जल योगसूत्र (स्वामी विवेकानन्द भाष्य एवं सूत्र व्याख्या)

Patanjali Yoga Sutras changing. Mind itself is continuously changing. The mind and body are like two layers in the same substance, moving at different rates of speed. Relatively, one being slower and the other quicker, we can distinguish between the two motions. For instance, a train is moving, and another carriage is moving slowly alongside it. It is possible to find the motion of both these, to a certain extent. But still something else is necessary. Motion can only be perceived when there is something else which is not moving. But when two or three things are relatively moving, we first perceive the motion of the faster one, and then that of the slower ones. How is the mind to perceive? It is also in a flux. Therefore another thing is necessary which moves more slowly, then you must get to something in which the motion is still slower, and so on, and you will find no end. Therefore logic compels you to stop somewhere. You must complete the series by knowing something which never changes. Behind this never ending chain of motion is the Purusa, the changeless, the colourless, the pure. All these impressions are merely reflected upon it, as rays of light from a camera are reflected upon a white sheet, painting hundreds of pictures on it, without in any way tarnishing the sheet. 18. न तत् स्वाभासंदृश्यत्वात् ॥ १८ ॥ na tat svabhasandrishyatvat Mind is not self-luminous, being an object. Tremendous power is manifested everywhere in nature, but yet something tells us that it is not self-luminous, not essentially intelligent. The Purusa alone is self-luminous, and 135