'Sign to You' in the Bible

And God said, “Certainly I will be with you, and this shall be the sign to you that it is I who have sent you: when you have brought the people out of Egypt, you shall serve and worship God at this mountain.”

The blood shall be a sign for you on [the doorposts of] the houses where you live; when I see the blood I shall pass over you, and no affliction shall happen to you to destroy you when I strike the land of Egypt.

It shall serve as a sign to you on your hand (arm), and as a reminder on your forehead, so that the instruction (law) of the Lord may be in your mouth; for with a strong and powerful hand the Lord brought you out of Egypt.

This will be the sign to you which shall come concerning your two sons, Hophni and Phinehas: on the same day both of them shall die.

Isaiah said, “This will be the sign to you from the Lord, that He will do the thing that He has spoken: shall the shadow [indicating the time of day] go forward ten steps, or go backward ten steps?”

“This shall be the sign to you from the Lord, that the Lord will do this thing that He has spoken:

And this will be the sign to you,’ says the Lord, ‘that I am going to punish you in this place, so that you may know that My words will surely stand against you for harm.’