The Sutta Pitaka is the second of the three main divisions of the Pali Canon, the sacred scriptures of Theravada Buddhism. It contains the teachings of the Buddha, as well as those of his disciples.

The Sutta Pitaka was originally written in Pali, a Middle Indo-Aryan language closely related to Sanskrit. It is still used as the liturgical language of Theravada Buddhism.

The Sutta Pitaka contains approximately 5,000 suttas, or discourses, attributed to the Buddha and his disciples. These suttas cover a wide range of topics, including ethics, meditation, and the nature of reality.

The Mahaparinibbana Sutta is the longest sutta in the Sutta Pitaka, and it describes the final days and death of the Buddha. It is an important text for Buddhists, as it provides insights into the Buddha's teachings on death and rebirth.

The Dhammacakkappavattana Sutta is considered to be the most important sutta in the Sutta Pitaka, as it contains the Buddha's first sermon after his enlightenment. In this sutta, the Buddha explains the Four Noble Truths and the Noble Eightfold Path, which are the foundation of Buddhist teachings.

The main speaker in the Sutta Pitaka is the Buddha himself. The suttas are records of his teachings, as well as those of his disciples. However, the Buddha is always the primary speaker, and his teachings are considered to be authoritative.

The purpose of the Sutta Pitaka is to provide a record of the Buddha's teachings. It is a collection of his sermons, discourses, and instructions, as well as those of his disciples. The Sutta Pitaka is an important source of information about the Buddha's life and teachings, and it is used by Buddhists around the world to learn about and practice his teachings.

The Sutta Pitaka is divided into five nikayas, or collections: the Digha Nikaya, the Majjhima Nikaya, the Samyutta Nikaya, the Anguttara Nikaya, and the Khuddaka Nikaya. Each nikaya contains a collection of suttas, or discourses, on a particular topic or theme.

The Digha Nikaya is a collection of long discourses attributed to the Buddha. It contains 34 suttas, which are among the longest and most important in the Sutta Pitaka. The suttas in the Digha Nikaya cover a wide range of topics, including ethics, meditation, and the nature of reality.

The Majjhima Nikaya is a collection of medium-length discourses attributed to the Buddha. It contains 152 suttas, which are shorter than the suttas in the Digha Nikaya but longer than the suttas in the Samyutta Nikaya and the Anguttara Nikaya. The suttas in the Majjhima Nikaya cover a wide range of topics, including ethics, meditation, and the nature of reality.

The Samyutta Nikaya is a collection of short discourses attributed to the Buddha. It contains 2,889 suttas, which are the shortest suttas in the Sutta Pitaka. The suttas in the Samyutta Nikaya are grouped together by topic, and they cover a wide range of topics, including ethics, meditation, and the nature of reality.

The Anguttara Nikaya is a collection of miscellaneous discourses attributed to the Buddha. It contains 9,557 suttas, which are arranged in eleven nipatas, or chapters. The suttas in the Anguttara Nikaya cover a wide range of topics, including ethics, meditation, and the nature of reality.

The Khuddaka Nikaya is a collection of miscellaneous discourses attributed to the Buddha and his disciples. It contains 15 books, which cover a wide range of topics, including ethics, meditation, and the nature of reality. Some of the most important books in the Khuddaka Nikaya include the Dhammapada, the Udana, and the Itivuttaka.

The Sutta Pitaka was compiled in the 5th century BCE, shortly after the Buddha's death. It was compiled by a group of his disciples, who wanted to preserve his teachings for future generations.

The Sutta Pitaka is located in Sri Lanka, where it is preserved in the Pali Canon. The Pali Canon is a collection of Buddhist scriptures that was written down in the 1st century BCE. It is the oldest complete collection of Buddhist scriptures, and it is considered to be the most authoritative source of Buddhist teachings.