Zazen, or seated meditation, is considered the core practice of Zen Buddhism. It is a form of meditation that involves sitting in a specific posture, focusing on the breath, and letting go of all thoughts and distractions. This practice is believed to be instrumental in achieving enlightenment, the ultimate goal of Zen Buddhism.

One of the main ways that Zazen helps in achieving enlightenment is by cultivating a state of mindfulness. Mindfulness is the practice of being fully present and aware in the present moment. In Zazen, practitioners are encouraged to focus on their breath, which helps to anchor their attention and bring them into the present moment. By letting go of thoughts and distractions, practitioners are able to cultivate a deep sense of awareness and clarity.

Through this state of mindfulness, practitioners are able to gain insight into the true nature of reality. They are able to see things as they truly are, without the filter of their thoughts and emotions. This allows them to break free from the cycle of suffering caused by attachment and aversion. By letting go of these attachments and aversions, practitioners are able to achieve a state of peace and contentment, which is a key aspect of enlightenment.

Another way that Zazen helps in achieving enlightenment is through the cultivation of concentration and focus. In Zazen, practitioners are encouraged to maintain a still and upright posture, which helps to develop physical and mental stability. As they continue to focus on their breath, they are able to develop a strong level of concentration and focus. This allows them to penetrate deeply into their own minds and gain a deeper understanding of themselves and the world around them.

Zazen also helps in achieving enlightenment by breaking down the barriers between the self and the external world. In this practice, there is no separation between the self and the environment. Practitioners are encouraged to let go of the concept of a separate self and to experience a sense of interconnectedness with all beings. This realization of the interconnectedness of all things is a key aspect of enlightenment in Zen Buddhism.

In conclusion, Zazen is a powerful practice that helps in achieving enlightenment by cultivating mindfulness, concentration, and a sense of interconnectedness. Through this practice, practitioners are able to gain insight into the true nature of reality and break free from the cycle of suffering. As they continue to deepen their practice, they are able to achieve a state of enlightenment, which brings lasting peace and contentment.