Ecclesiastes 3:21

For no one knows [whether] the spirit of a human ascends [to heaven] and [whether] the spirit of the beast descends to the ground!

Ecclesiastes 12:7

And the dust returns to the earth as it was, and the breath returns to God who gave it.

Luke 16:22-23

Now it happened that the poor man died, and he was carried away by the angels to {Abraham's side}. And the rich man also died and was buried.

John 14:3

And if I go and prepare a place for you, I will come again and receive you to myself, so that where I am, you may be also.

Acts 1:25

to take the place in this ministry and apostleship from which Judas turned aside to depart to his own place."

2 Corinthians 5:1

For we know that if our earthly house, the tent, is destroyed, we have a building from God, a house not made by hands, eternal in the heavens.

2 Corinthians 5:8

so we are confident and prefer rather to be absent from the body and to be at home with the Lord.

Philippians 1:23

But I am hard pressed {between the two options}, having the desire to depart and to be with Christ, {for this is very much better}.

Treasury of Scripture Knowledge

Summary

Who knoweth the spirit of man that goeth upward, and the spirit of the beast that goeth downward to the earth?

Bible References

Knoweth

Ecclesiastes 12:7
And the dust returns to the earth as it was, and the breath returns to God who gave it.
Luke 16:22
Now it happened that the poor man died, and he was carried away by the angels to {Abraham's side}. And the rich man also died and was buried.
John 14:3
And if I go and prepare a place for you, I will come again and receive you to myself, so that where I am, you may be also.
Acts 1:25
to take the place in this ministry and apostleship from which Judas turned aside to depart to his own place."
2 Corinthians 5:1
For we know that if our earthly house, the tent, is destroyed, we have a building from God, a house not made by hands, eternal in the heavens.
Philippians 1:23
But I am hard pressed {between the two options}, having the desire to depart and to be with Christ, {for this is very much better}.