In Buddhism, compassion is considered one of the most important qualities for achieving enlightenment and realizing spiritual growth. The Buddha often taught about the importance of cultivating compassion in his sermons, teachings, and interactions with others.

Here are some key points that Buddha made about compassion:

1. The Four Immeasurables: In the Dhammapada (a Buddhist scripture), the Buddha taught four immeasurable qualities to cultivate: loving-kindness (metta), compassion (karuna), sympathetic joy (mudita), and equanimity (upeksha). These are practices that help develop a sense of warmth, concern, and acceptance for all living beings.

2. Compassion as a key teaching: The Buddha considered compassion to be one of his most important teachings. He often used examples from everyday life to illustrate the importance of showing kindness and understanding towards others, even in difficult situations.

3. The suffering of all beings: The Buddha taught that all beings suffer in some way, whether it's due to physical pain, emotional distress, or spiritual ignorance. Compassion is seen as a response to this universal suffering, and a means of alleviating it.

4. Cultivating compassion for others: The Buddha encouraged his followers to cultivate compassion by practicing loving-kindness meditation (metta bhavana). This involves repeating phrases such as "May all beings be happy, may all beings be healthy, may all beings be at peace" to generate feelings of warmth and concern towards others.

5. Compassion as a transformative power: In Buddhism, compassion is seen as a powerful force that can transform not only our own lives but also the world around us. By cultivating compassion, we can develop greater empathy, understanding, and wisdom, which in turn can lead to positive change and transformation.

Some famous quotes from the Buddha on compassion include:

• "All phenomena are impermanent; even I am impermanent." (This quote highlights the interconnectedness of all beings and encourages compassion for others who may be struggling with their own suffering.)

• "Be kind whenever you have an opportunity, but don't let it become a habit." (This quote emphasizes the importance of cultivating compassion in daily life, rather than just reserving it for special occasions or difficult situations.)

• "Compassion is the greatest virtue; it is better than all other virtues because it brings happiness to all beings." (This quote highlights the transformative power of compassion and its ability to bring joy and well-being to both ourselves and others.)

These quotes and teachings illustrate the importance of compassion in Buddhism, and demonstrate how the Buddha's message of loving-kindness and understanding can be applied to everyday life.