Really funny jokes-If you can understand it

Do you know Psychology is actually Biology.

Do you know Biology is actually Chemistry.

Do you know Chemistry is actually Physics.

Do you know Physics is actually Math.

If you understand it and able to prove it, then publish it in a periodical/magazine of Mathematics.

If you understand it, but unable to prove it, then publish in a periodical/magazine of Physics.

If you cannot understand it, but are able to prove it, then publish it in a periodical/magazine of Economics.

If you can neither understand it nor are able to prove it, then publish it in a periodical/magazine of Psychology.