Mark 13:35

Be wakeful therefore, for you know not when the master of the house is coming--in the evening, at midnight, at cock-crow, or at dawn.

James 4:14

when, all the while, you do not even know what will happen to-morrow. For what is the nature of your life? Why, it is but a mist, which appears for a short time and then is seen no more.

Treasury of Scripture Knowledge

Summary

And he said, Behold now, I am old, I know not the day of my death:

I know not

General references

Bible References

I know not

Mark 13:35
Be wakeful therefore, for you know not when the master of the house is coming--in the evening, at midnight, at cock-crow, or at dawn.
James 4:14
when, all the while, you do not even know what will happen to-morrow. For what is the nature of your life? Why, it is but a mist, which appears for a short time and then is seen no more.

General references

Romans 9:16
And from this we learn that everything is dependent not on man's will or endeavour, but upon God who has mercy. For the Scripture said to Pharaoh,