1 Samuel 14:10
But if they say, ‘Come up to us,’ we will go up, for the Lord has handed them over to us; and this shall be the sign to us.”
Genesis 24:14
now let it be that the girl to whom I say, ‘Please, let down your jar so that I may [have a] drink,’ and she replies, ‘Drink, and I will also give your camels water to drink’—may she be the one whom You have selected [as a wife] for Your servant Isaac; and by this I will know that You have shown lovingkindness (faithfulness) to my master.”
Judges 6:36
Then Gideon said to God, “If You are going to rescue Israel through me, as You have spoken,
Judges 7:11
and you will hear what they say; and afterward
1 Samuel 10:7
When these signs come to you, do for yourself whatever
Isaiah 7:11-14
“Ask a sign for yourself from the Lord your God [one that will convince you that God has spoken and will keep His word]; make your request as deep as Sheol or as high as heaven.”