Genesis 15:8
And he said, O Lord Jehovah, whereby shall I know that I shall inherit it?
Luke 1:18
And Zacharias said unto the angel, Whereby shall I know this? for I am an old man, and my wife well stricken in years.
Judges 6:36-40
And Gideon said unto God, If thou wilt save Israel by my hand, as thou hast spoken,
2 Kings 20:8
And Hezekiah said unto Isaiah, What shall be the sign that Jehovah will heal me, and that I shall go up unto the house of Jehovah the third day?
Psalm 86:17
Show me a token for good, That they who hate me may see it, and be put to shame, Because thou, Jehovah, hast helped me, and comforted me.
Isaiah 7:11
Ask thee a sign of Jehovah thy God; ask it either in the depth, or in the height above.
Genesis 24:2-4
And Abraham said unto his servant, the elder of his house, that ruled over all that he had, Put, I pray thee, thy hand under my thigh.
Genesis 24:13-14
Behold, I am standing by the fountain of water. And the daughters of the men of the city are coming out to draw water.
Judges 6:17-24
And he said unto him, If now I have found favor in thy sight, then show me a sign that it is thou that talkest with me.
1 Samuel 14:9-10
If they say thus unto us, Tarry until we come to you; then we will stand still in our place, and will not go up unto them.
Luke 1:34
And Mary said unto the angel, How shall this be, seeing I know not a man?