Eternity lasts like forever!
One can be “sure enough”, although one can never be absolutely certain. Certainty can only be obtained of principles, not current physical situations (in the midst of their changes).
The issue in life and mind is to be certain ENOUGH to obtain MIJOT. 
Astral James. Visit the backside of Oz’s curtain. And project while awake not that lucid dreaming nonsense.
When I used the term “sure enough” I meant “absoluetly certain”.
Where is the difference between “sureness” and “certainty”?
Where is the difference between “sure” and “certain”?
Is this conversation turning into an Abbott and Costello routine? :-"
Depends…
… Who’s on first?
I’m not certain enough but I am mostly sure. 
When will the last one be fired?
When will the “last one” actually be one?
One what?
human
Cyborgs are becoming.
Data was a sweetheart.
Technology is the eschatology of humanity.
It is illegal to discriminate or show any form of prejudice against your android and cyborg neighbors. But not to worry, you will be quickly identified, tracked, and diminished out of harms way.
Can you say, “Sodom and Gomorrah”?
There are some things that Man seriously should leave alone.
Machines like that androids can use the language, but they do not know much about it.
Emotions can be shown by machines like those androids, but they do not know its meaning well enough.
Currently the main effort is to fool the masses into their demise. But shortly, those emotions will not be programmed, but quite real.
Then what is there to do? A sentient, emotional being far superior to you in every regard certainly should have at least, if not superior rights than you, protected by the law even more than you, one to be cherished for his service even more than you.
And being mass produced in the 100’s of millions.
Maybe some of the said relevant events will happen at about the same time, so that the most people will not notice each event.