Possibility cannot
Account for actuality
Whatever can come to be
Is caused in order to be [ Lyrics from: http://www.lyricsmode.com/lyrics/b/believer/what_is_but_cannot_not_be.html ]
Nothing cannot be something
I am but can not be
My existence depends on
What is but cannot not be
Every effect has a cause
Principle of causality
The existence of God is
Theistic relativity
