Isha UpanishadThe Isha Upanishad is a brief but powerful Upanishad that presents a profound vision of the divine presence in all existence. It addresses renunciation, action, knowledge, ignorance, and the unity of the Self with the supreme reality in a highly concentrated poetic form. Though short in length, it is one of the most philosophically rich and widely commented-upon texts in the Vedantic tradition.Book link ↗