We have grass; it exists

Last week I saw No Other Land (2024; Oscar-winning documentary on destruction of a group of small hamlets in the West Bank, filmed from 2019 through 2023).

In it, at one point the father of Basel Adra (one of the two main young men making the documentary) takes several of the children in the extended family to school in a van. (The school is later destroyed.) The children are chanting in the van, they say--

We have grass; it exists.
We have a mountain; it exists.
We have a chicken house; it exists.
W...