Hakuin Ekaku, also known as Hakuin Zenji, was a Japanese Zen master who lived during the 17th and 18th centuries. He is considered the reviver of Rinzai Zen, one of the main schools of Zen Buddhism in Japan. Hakuin's teachings and writings had a profound impact on the development of Zen in Japan and his legacy continues to influence practitioners of Zen to this day. One of the most significant aspects of Hakuin's life and teachings is his self-portrait.

Hakuin's self-portrait, also known as the "Wild Old Man," is a famous image that captures the essence of his teachings and his personality. In the portrait, Hakuin is depicted as an old, wild-looking man with a stern expression on his face. He is holding a brush in one hand and a scroll in the other, symbolizing his role as a Zen master and teacher. The portrait is often described as powerful and intimidating, yet also full of wisdom and compassion.

One of the main reasons why Hakuin's self-portrait is so significant is that it reflects his teachings on the true nature of the self. In Zen Buddhism, the concept of self is seen as an illusion, something that is constantly changing and cannot be grasped or defined. Hakuin's portrait, with its wild and untamed appearance, challenges the traditional idea of a self that is calm, peaceful, and in control. It represents the idea that the true self is not something that can be neatly packaged or confined, but rather something that is wild, unpredictable, and constantly evolving.

Moreover, the portrait also serves as a reminder of Hakuin's own struggles and journey towards enlightenment. Hakuin's life was filled with challenges and obstacles, including losing his parents at a young age and facing criticism and persecution for his teachings. The wild and intense expression on his face in the portrait reflects the intensity of his spiritual journey and his determination to overcome these challenges.

Another significant aspect of Hakuin's self-portrait is its emphasis on the importance of self-reflection and self-discovery. In Zen Buddhism, self-awareness and introspection are crucial for achieving enlightenment. Hakuin's portrait, with its intense gaze and stern expression, encourages viewers to look within themselves and confront their own inner turmoil and illusions.

In conclusion, Hakuin Ekaku's self-portrait holds great significance in the world of Zen Buddhism. It represents his teachings on the true nature of the self, his personal struggles, and the importance of self-reflection. The portrait continues to inspire and challenge practitioners of Zen to look beyond the surface and discover the true nature of the self.