Explain the concept of "samadhi" and its relationship to achieving spiritual mastery through meditation.

Samadhi is a state of consciousness achieved through deep meditation, in which the individual experiences a profound sense of oneness with the universe. It is often described as a state of complete absorption, where the individual loses all sense of self and becomes one with the object of their meditation.

In the context of spiritual development, samadhi is seen as a highly desirable state, as it is believed to represent a level of spiritual attainment and realization that is beyond the reach of most ordinary individuals. In this state, the individual is said to experience a deep sense of peace, joy, and fulfillment, as they are able to transcend their ego and connect with a higher consciousness.

There are various stages of samadhi, ranging from the initial experience of relaxation and mental calmness, to deeper states of absorption where the individual experiences a sense of unity with the universe. Some practitioners believe that there are ultimately seven stages of samadhi, each representing a progressively deeper level of spiritual realization and integration.

Achieving samadhi requires a high degree of concentration, focus, and dedication to the practice of meditation. It is often seen as the ultimate goal of meditation, and is believed to represent the pinnacle of spiritual attainment for those who are able to reach it.

In summary, samadhi is a state of consciousness achieved through deep meditation, characterized by a sense of oneness with the universe and a profound sense of inner peace and fulfillment. It is seen as the ultimate goal of spiritual practice, representing a level of realization and integration that is beyond the reach of most ordinary individuals.