Ecclesiastes 8:7

If no one knows what will happen, who can tell him when it will happen?

Ecclesiastes 6:12

For who knows what is good for a man during his lifetime, during the few years of his futile life? He will spend them like a shadow. For who can tell a man what will be after him under the sun?

Ecclesiastes 9:12

Moreover, man does not know his time: like fish caught in a treacherous net and birds trapped in a snare, so the sons of men are ensnared at an evil time when it suddenly falls on them.

Proverbs 24:22

For their calamity will rise suddenly,
And who knows the ruin that comes from both of them?

Ecclesiastes 10:14

Yet the fool multiplies words. No man knows what will happen, and who can tell him what will come after him?

Proverbs 29:1

A man who hardens his neck after much reproof
Will suddenly be broken beyond remedy.

Ecclesiastes 3:22

I have seen that nothing is better than that man should be happy in his activities, for that is his lot. For who will bring him to see what will occur after him?

Matthew 24:44

For this reason you also must be ready; for the Son of Man is coming at an hour when you do not think He will.

Matthew 24:50

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

Matthew 25:6-13

But at midnight there was a shout, ‘Behold, the bridegroom! Come out to meet him.’

1 Thessalonians 5:1-3

Now as to the times and the epochs, brethren, 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 during his lifetime, during the few years of his futile life? He will spend them like a shadow. For who can tell a man what will be after him under the sun?
Ecclesiastes 9:12
Moreover, man does not know his time: like fish caught in a treacherous net and birds trapped in a snare, so the sons of men are ensnared at an evil time when it suddenly falls on them.
Ecclesiastes 10:14
Yet the fool multiplies words. No man knows what will happen, and who can tell him what will come after him?
Proverbs 24:22
For their calamity will rise suddenly,
And who knows the ruin that comes from both of them?
Proverbs 29:1
A man who hardens his neck after much reproof
Will suddenly be broken beyond remedy.
Matthew 24:44
For this reason you also must be ready; for the Son of Man is coming at an hour when you do not think He will.
Matthew 25:6
But at midnight there was a shout, ‘Behold, the bridegroom! Come out to meet him.’
1 Thessalonians 5:1
Now as to the times and the epochs, brethren, you have no need of anything to be written to you.