What are Maria Montessori's achievements in the building of peace in each human being and in the whole humanity?discuss

Segment 2: The caption inscribed on Maria Montessori’s grave in the cemetery of Noordwijk Aan Zee, Netherlands.

Usually on a grave, you may read a message made of some words or a sentence expressing the life and work of a person who did a lot for others, who sacrificed or did important achievements. Here, on her grave, we can read an invitation to children in form of a message of hope, something which is not yet there, or something already in construction.

“I BEG THE DEAR ALL POWERFUL CHILDREN TO UNITE WITH ME FOR THE BUILDING OF PEACE IN EACH HUMAN BEING AND IN HUMANITY”.

What are Maria Montessori’s achievements in the building of peace in each human being and in the whole humanity?

What is the origin and the purpose of this final invitation to children?
Why children rather than politicians or diplomats?
..”.the dear powerful children”… What does Montessori refer to when the expression “powerful” is used?
What do we do as Montessori teacher guides to arrive to her affirmation (“powerful children”)?
…”to unite with me for the building of peace”… What do we do as Montessori teacher guides to encourage children to unite for peace?
..”.the building of peace” in each human being… How do we, Montessori teacher guides, promote this value in children at such an early age?
“and in the humanity”… In your words, what is her reflection about the building of peace in the whole world through young children?
What would be the fundamental qualities of the teacher guide to instil harmony and peace in her environment?
What are the practical steps for a teacher guide to achieve harmony and peace in her environment ?
Give a minimum of three relevant examples you have experienced with children that have a relationship with the previous question.
In conclusion, explain in your words why the message engraved on her tomb is capital to Maria Montessori herself or why this ultimate demand is engraved on her stone grave?
Please find two quotes from Maria Montessori pertaining to the urge of building peace into each person first.