The only cause of suffering is ego.
You believe you are an entity in a vast universe, that's how the struggle to survive is created.
Only if you look deeply into your own nature, you'll see - "nothing is as it seems" - in the words of Buddha.
You are everything at once. If you don't know this in your own experience - fear will be your way.
There's no life for the one who's never born, never dies.
I AM THAT I AM is the only Reality.
-Soumya