I need to be silent for a while, worlds are forming in my heart. - Meister Eckhart

Variant: If "thank you" is the only prayer you can utter in your lifetime, that would be enough.

Indeed, the more we are our own possession, the less we are God’s possession.

the man who sat naked in his tub said to Alexander the Great, who ruled the whole world: ‘I am a greater lord than you are, for I have spurned more than you have seized. What you think it is a great thing to possess, is too trivial for me to scorn.