It seems difficult to “return” to the world, to where we were before, once we know, once we’ve moved on and are somewhere else. But that is always our testing ground.
Knowledge without the heart is barren. It can’t give forth its fruits, it’s of no use. You need the inclusiveness of the heart to embrace all, to have compassion for all, to have empathy, understanding of the other’s true needs, to forgive all and to be in unity with diversity. Only then can knowledge combine with the heart and share the light on perception that will contribute and be truly useful for those who are willing to receive it.
We keep “returning to the world”, to shed all inner limitations and illusions, to open our heart fully till it blossoms and thus, without judgement, by simply observing and feeling the pain (without making it your own), you are free to give and receive.