The Metta Sutta (often called the Karaniya Metta Sutta) is one of the most beloved and frequently recited scriptures in the Buddhist tradition, particularly in the Theravada school. It is the "Discourse on Loving-Kindness."

The word Metta translates to loving-kindness, benevolence, or universal goodwill. It is a selfless love that seeks the well-being of others without attachment or expectation.

The Origin Story

According to Buddhist tradition, the sutta was taught by the Buddha to a group of monks who had gone to a forest to meditate. The local tree spirits, feeling disturbed by the monks' presence, tried to frighten them away with terrifying sights and sounds.

When the monks returned to the Buddha for advice, he didn't tell them to find a new forest. Instead, he taught them the Metta Sutta as a shield and a meditation. He told them to return to the forest and chant these words of love to the spirits. Upon doing so, the spirits felt the monks' goodwill and became their protectors.

Core Structure of the Sutta

The sutta can be broken down into three main parts:

1. The Ethical Foundation Before one can practice metta, the Buddha suggests a certain moral "fitness." He lists qualities one should cultivate, such as:

• Being upright and perfectly upright.
• Being easy to speak to (gentle).
• Being humble and not conceited.
• Being contented and easily satisfied.

2. The Visualization of Love The heart of the sutta is the mental expansion of goodwill. It encourages the practitioner to wish for the safety and happiness of all beings, leaving none out:

• By size: Small, medium, or large.
• By visibility: Seen or unseen.
• By distance: Living near or far.
• By birth: Those already born and those yet to be born.

3. The Famous Simile The most powerful line in the text describes the intensity of this love:

"Even as a mother protects with her life her child, her only child, so with a boundless heart should one cherish all living beings."

Key Teachings and Philosophy

• Non-Discrimination: Unlike romantic or familial love, Metta is impartial. It is directed toward friends, strangers, and even enemies alike.
• The "Radiating" Heart: The sutta describes radiating love in all directions—upwards, downwards, and all around—untroubled by enmity or hate.
• A Protection from Fear: The sutta teaches that a mind filled with goodwill is naturally protected from fear and external "demons," as there is no room for hatred to take root.

Benefits of the Practice

In other discourses, the Buddha mentioned eleven specific benefits of practicing Metta meditation, including:

• Sleeping and waking easily.
• Having no bad dreams.
• Being dear to both humans and non-humans.
• A serene and concentrated mind.
• A peaceful death.

How to Use the Metta Sutta

Many people use the sutta as a daily devotional chant or a guide for meditation. You can practice it by silently repeating the core wishes:

1. May all beings be at ease.
2. May they be intent on their own happiness.
3. May no one deceive another or despise anyone anywhere.