Though worlds and suns are considerably longer-lived than we, they too must eventually perish in the fullness of time. – “Let There Be Dark”
“Every single thing in the Cosmos is mortal, and will pass away in its time. [Organisms and empires alike] rise, thrive, decline, and fall, to be replaced by younger ones which then decline and fall in their time…crumbling into dust and passing first into memory, then legend, and eventually beyond the horizon of sentient knowledge.”