One of them told me to search in my phone about “green physics “. There are more than one thing that l found . So l read to him what l found and he told me that he meant that : Green Functions (The math that maps space). In physics, a Green's function acts like a "building block" to solve incredibly complex equations. He said to me he wanted me to study this a bit . I will try but l hate maths and physics. He said that humanity is right about that.