Analysis of The Promised Land

I woke up this morning; at heart a new fear:
"is there any chance the mankind disappear?"
Oh no, no, no, this cannot be true!
Oh no, no, no, this cannot be done!
We've got to find our way to the Promised Land!

I know that way may not be that easy,
and on top of that, devils keep us dizzy;
best thing to do is keeping them busy,
while doing your Math; for them that's not easy.