Judges 13:18

But the angel of Yahweh said to him, "Why do you ask my name? It [is too] wonderful."

Genesis 32:29

Then Jacob asked and said, "Please tell me your name." And he said, "Why do you ask this--for my name?" And he blessed him there.

Isaiah 9:6

For a child has been born for us; a son has been given to us. And the dominion will be on his shoulder, and his name is called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace.

Judges 13:6

And the woman came and told her husband, saying, "A man of God came to me, and his appearance [was] like the appearance of an angel of God, very awesome. I did not ask him from where he [came], and he did not tell me his name.

Treasury of Scripture Knowledge

Summary

And the angel of the LORD said unto him, Why askest thou thus after my name, seeing it is secret?

Bible References

Why askest

Judges 13:6
And the woman came and told her husband, saying, "A man of God came to me, and his appearance [was] like the appearance of an angel of God, very awesome. I did not ask him from where he [came], and he did not tell me his name.
Genesis 32:29
Then Jacob asked and said, "Please tell me your name." And he said, "Why do you ask this--for my name?" And he blessed him there.