Stages of Compassion in Mahayana

**Dear friends**, I am looking for references pertaining to the notion of the *Four Stages of Compassion* in the Mahayana traditions. Thank you for your kind and generous help, may you all be well and safe. > If you ask what is ‘great compassion,’ it is unstinting loving kindness toward all sentient beings, when there are actually no sentient beings. That is called great compassion. > > The Buddha (Perfection of Wisdom Sutra in Ten Thousand Lines) > > Tweet by The Buddhist Society