It’s inconceivable that the universe has been in existence forever, and will go on and on forever - on the other hand it’s inconceivable that the universe suddenly came into existence from nowhere, and will one day just suddenly cese to exist...so......
the universe has been in existence forever, and will go on and on forever — There is someone at the controls... always was and always will be...
Finite mind cannot understand the infinite...
“It’s inconceivable that the universe has been in existence forever”... because of Olber’s Paradox.