Matthew 24:44

Therefore be ye also ready: for at an hour ye think not, the Son of man cometh.

Matthew 24:50

The Lord of that servant shall come in a day that he expecteth him not, and in an hour that he is not aware of,

Matthew 25:6-13

But at midnight there was a cry, Behold the bridegroom cometh: come ye out to meet him.

1 Thessalonians 5:1-3

But of the times and seasons, brethren, ye have no need that I write 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

Matthew 24:44
Therefore be ye also ready: for at an hour ye think not, the Son of man cometh.
Matthew 25:6
But at midnight there was a cry, Behold the bridegroom cometh: come ye out to meet him.
1 Thessalonians 5:1
But of the times and seasons, brethren, ye have no need that I write to you.