Fill Ourselves With Love

In Buddhism,
"kindness and compassion"
refers to showing love towards all sentient beings.

Bringing happiness to others is called kindness,
whilst empathizing with the suffering of others, showing sympathy and offering to help the afflicted is called compassion.

The compassion preached by the Buddha involves considering the suffering of other sentient beings as one's own suffering.

Thus, one may be able to develop the same mind-frame and feelings as others.

This is called the one-body compassion.