The Goal of Yoga
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the  yoga  system. This is not standard. You can call it  yoga , but it is not the standard  yoga  system.
The  yoga  system is especially difficult for this age. In the  Śrīmad-Bhāgavatam  we understand that  yoga  means to concentrate one's attention on the Superself,  Viṣṇu . He is situated in your heart. And, in order to concentrate your attention, you have to control the senses. The senses are working just like infuriated horses. If you cannot control the horses of your carriage, it will be dangerous. Just imagine that you are seated in a carriage and your horses are so furious that they are dragging you to hell. Then what is your position? The  yoga  system means to control these senses. The senses are also compared to serpents: The serpent does not know who is its friend and who is its enemy. It bites anyone. And, as soon as the serpent bites, the result is death. Similarly, if the uncontrolled senses work in their own way, then you should know that you are in a dangerous position.
It has been said that when one becomes too sensual, he loses his temper, he loses his identity, he forgets himself. Infuriated by the senses, a man will attack even his children, even his daughter. Therefore, for those who are advancing in spiritual life—not only for them but for everyone—the  śāstras , scriptures, say that you should not sit in a secluded place even with your mother, even with your daughter or your sister. Why? Because the senses are so strong that if they become infuriated, you will forget whether she's mother, sister, or daughter.
You may say that this may be true only for some foolish persons, but  śāstra  says no—you should not sit in a secluded place even with your mother, sister or daughter, because the senses are so strong that even though you may be very moral, you may still be attracted by sex.
Our position in this world, our suffering in this world, is due to the body. This body is the cause of all miseries, and the ultimate goal of life should be to get out of this material body