Ecclesiastes 8:7

Surely no one knows what will be, so who can tell anyone what will happen?

Ecclesiastes 6:12

For who knows what [is] good for a man in his life during the few days of his fleeting life, which are fleeting as a shadow? For who can tell anyone what will happen {in the future} under the sun?

Ecclesiastes 9:12

For man does not know his time. Just as fish are caught in a cruel net and like birds who are seized in a snare, so also {humans} are ensnared at a cruel time when it falls suddenly upon them.

Proverbs 24:22

For suddenly their disaster will come, and the ruin of {both of them}, who knows?

Ecclesiastes 10:14

The fool {talks too much}, for no one knows what will be. Who can tell anyone what will happen {in the future}?

Proverbs 29:1

A man who is reproved, being stubborn of neck-- suddenly he will be broken, and there will not be healing.

Ecclesiastes 3:22

So I concluded that there is nothing better for a person than to enjoy [the fruit of] his labor, for this is his lot in life. {For no one knows what will happen in the future.}

Matthew 24:44

For this [reason] you also must be ready, because the Son of Man is coming at an hour that you do not think [he will come].

Matthew 24:50

the master of that slave will come on a day that he does not expect and at an hour that he does not know,

Matthew 25:6-13

But in the middle of the night there was a shout, 'Behold, the bridegroom! Come out to meet him!'

1 Thessalonians 5:1-3

Now concerning the times and the seasons, brothers, you have no need [of anything] to be written to you,

Treasury of Scripture Knowledge

Summary

For he knoweth not that which shall be: for who can tell him when it shall be?

Bible References

He knoweth

Ecclesiastes 6:12
For who knows what [is] good for a man in his life during the few days of his fleeting life, which are fleeting as a shadow? For who can tell anyone what will happen {in the future} under the sun?
Ecclesiastes 9:12
For man does not know his time. Just as fish are caught in a cruel net and like birds who are seized in a snare, so also {humans} are ensnared at a cruel time when it falls suddenly upon them.
Ecclesiastes 10:14
The fool {talks too much}, for no one knows what will be. Who can tell anyone what will happen {in the future}?
Proverbs 24:22
For suddenly their disaster will come, and the ruin of {both of them}, who knows?
Proverbs 29:1
A man who is reproved, being stubborn of neck-- suddenly he will be broken, and there will not be healing.
Matthew 24:44
For this [reason] you also must be ready, because the Son of Man is coming at an hour that you do not think [he will come].
Matthew 25:6
But in the middle of the night there was a shout, 'Behold, the bridegroom! Come out to meet him!'
1 Thessalonians 5:1
Now concerning the times and the seasons, brothers, you have no need [of anything] to be written to you,