Talk about your feelings about "If we give up this land and transfer it to you, you must remember that this land is sacred". Understand; understand

This sentence is repeated three times in the article, which deepens the theme and strengthens the feelings that the author (Seattle) wants to express. This sentence still has this meaning: only by caring for every grass and tree on the earth, every mountain and water can we ensure all the conditions needed for human life and maintain the continuation of life.