it makes me wonder

...
There's a sign on the wall but she wants to be sure
'cause you know sometimes words have two meanings.

In a tree by the brook there's a songbird who sings
Sometimes all of her thoughts are misgiven.

It makes me wonder
It makes me wonder

There's a feeling I get when I look to the west
and my spirit is crying for leaving
...

Led Zeppelin - Stairway to Heaven