{1.1}  Here begins the authoritative instruction on Yoga

{1.2}"Yoga is the ability to direct the mind exclusively toward an object and sustain that direction without any distractions.

{1.3}"Then the ability to understand the object fully and correctly is apparent"

{1.4} In the absence of the state of mind called Yoga,'the ability to understand the object is simply replaced of that object or by a total lack of comprehension'.

{1.5}"There are five activities of the mind. Each of them can be beneficial and each can cause problems".