Judges 6:17
And he answered him, "If I have found grace in thy sight, then show me a sign, that thou art the LORD that talketh with me.
Exodus 33:13
Now therefore, if I have found favour in thy sight, then show me thy way and let me know thee: that I may find grace in thy sight. And look on this also, how that this nation is thy people."
Isaiah 7:11
"Ask thee a sign of the LORD thy God, from alow beneath, or from on high above."
Genesis 15:8-17
And he said, "LORD God, whereby shall I know that I shall possess it?"
Exodus 4:1-9
Moses answered and said, "See, they will not believe me nor hearken unto my voice: but will say, 'the LORD hath not appeared unto thee.'"
Exodus 33:16
for how shall it be known now that both I and thy people have found favour in thy sight, but in that thou goest with us: that both I and thy people have a preeminence before all the people that are upon the face of the earth."
Judges 6:36-40
And Gideon said unto God, "If thou wilt save Israel by my hand as thou hast said:
2 Kings 20:8-11
Then said Hezekiah to Isaiah, "What is the sign that the LORD will heal me, and that I shall go up into the house of the LORD the third day?"
Psalm 86:17
Show some token upon me for good, that they which hate me may see it and be ashamed; because thou, LORD, hast helped me, and comforted me.
Isaiah 38:7-8
And take thee this token of the LORD, that he will do it, as he hath spoken: