Judges 13:15-23 (King James Version)
15 And Manoah said unto the angel of the Lord, I pray thee, let us detain thee, until we shall have made ready a kid for thee.  16 And the angel of the Lord said unto Manoah, Though thou detain me, I will not eat of thy bread: and if thou wilt offer a burnt offering, thou must offer it unto the Lord. For Manoah knew not that he was an angel of the Lord. 17 And Manoah said unto the angel of the Lord, What is thy name, that when thy sayings come to pass we may do thee honour? 18 And the angel of the Lord said unto him, Why askest thou thus after my name, seeing it is secret  19 So Manoah took a kid with a meat offering, and offered it upon a rock unto the Lord: and the angel did wondrously; and Manoah and his wife looked on. 20 For it came to pass, when the flame went up toward heaven from off the altar, that the angel of the Lord ascended in the flame of the altar. And Manoah and his wife looked on it, and fell on their faces to the ground. 21 But the angel of the Lord did no more appear to Manoah and to his wife. Then Manoah knew that he was an angel of the Lord. 22 And Manoah said unto his wife, We shall surely die, because we have seen God. 23 But his wife said unto him, If the Lord were pleased to kill us, he would not have received a burnt offering and a meat offering at our hands, neither would he have shewed us all these things, nor would as at this time have told us such things as these.
13:15 for thee: Heb. before thee
13:18 secret: or, wonderful