Ecclesiastes 8:7
For he does not know what shall be; for who can tell him when it shall be?
Ecclesiastes 6:12
For who knows what is good for man in life, all the days of his vain life which he spends as a shadow? For who can tell a man what shall be after him under the sun?
Ecclesiastes 9:12
For man also does not know his time; as the fishes that are taken in an evil net, and as the birds that are caught in the snare; so are the sons of men snared in an evil time, when it falls suddenly on them.
Proverbs 24:22
for their trouble shall rise suddenly, and who knows the ruin of them both?
Ecclesiastes 10:14
A fool also makes many words; a man knows not what they shall be; and what shall be after him, who can tell him?
Proverbs 29:1
A man who hardens his neck when reproved shall be suddenly broken, and there will be no healing.
Ecclesiastes 3:22
Therefore I have seen that there is nothing better than that a man should rejoice in his own works; for that is his portion; for who can bring him to see what shall be after him?
Matthew 24:44
Therefore you also be ready, for in that hour you think not, the Son of Man comes.
Matthew 24:50
the Lord of that servant shall come in a day when he does not look for Him, and in an hour which he does not know.
Matthew 25:6-13
And at midnight there was a cry made, Behold, the bridegroom comes! Go out to meet him.
1 Thessalonians 5:1-3
But of the times and the seasons, brothers, you have no need that I write to you.