Fuad Abd AlRahim ("the merciful") is a teacher for UNRWA in Jordan. He featured this graphic:
"We will return, no matter how long it takes"
This is directly against UN's support for a two state solution, And it is what UNRWA teachers emphasize to their kids.
Remember that many UNRWA schools themselves incorporate maps of "Palestine" in their very logos that eliminate Israel - some of them with the UN logos prominently displayed alongside their explicit desire to destroy a UN member state: