Since ancient times, the human philosophers have realized the importance of the mind in governing the human affairs. They knew that a persons external circumstances were the result of his internal thoughts. They were aware that if the person thinks of riches, he would have riches, while if the thoughts are of poverty, success and failure would produce the corresponding effects in the persons circumstances. Today, modern science has acknowledged the truth of these findings. Hence, it becomes crucial for a person to control his mind.
Yoga has specific techniques which deal with the science of mind control. We will study the nature of the mind as is recognized by yoga in this chapter. Shankaracharya has defined the mind in four different ways as per its functions: manas for the job of resolving and doubting; buddhi for the decision and judgment; asmita for the consciousness of its individual existence and chita for remembering the previous experiences. The Mind is a vast collection of thoughts and traces of past experiences. When you are born, your mind is the collection of samskaras collected over the previous births. Those samskaras, whose fruits have already been enjoyed...