"I" am, at the least, an idea in a God's mind, for example.
It seems that thought implies something about existence. 
At least, it's a means for humans to access Being
(though mediate-edly, rather than im-mediatedly) -

or could I be wrong?
It might be that language constrains me to express it,
or think it, that way.
(Or other reasons? Comments?)

But (to get to the point)...