'Sign' in the Bible

He answered, “I will certainly be with you, and this will be the sign to you that I have sent you: when you bring the people out of Egypt, you will all worship God at this mountain.”

And God went on to say to Moses, Say to the children of Israel, The Lord, the God of your fathers, the God of Abraham, of Isaac, and of Jacob, has sent me to you: this is my name for ever, and this is my sign to all generations.

And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign.

"When Pharaoh says to you, "Perform a miraculous sign,' then you are to say to Aaron, "Take your staff and throw it in front of Pharaoh.' It will become a serpent."

And I will put a division between my people and thy people: to morrow shall this sign be.

The blood will be a sign for you on the houses where you are. I'll see the blood and pass over you. There will be no plague to destroy you when I strike the land of Egypt.

And it shall be for a sign unto thee upon thine hand, and for a memorial between thine eyes, that the LORD'S law may be in thy mouth: for with a strong hand hath the LORD brought thee out of Egypt.

So let it be a sign on your hand and a symbol on your forehead, for the Lord brought us out of Egypt by the strength of His hand.”

Then Moses took the blood and let it come on the people, and said, This blood is the sign of the agreement which the Lord has made with you in these words.

Speak thou also unto the children of Israel, saying, Verily my sabbaths ye shall keep: for it is a sign between me and you throughout your generations; that ye may know that I am the LORD that doth sanctify you.

It is a sign between me and the children of Israel for ever: for in six days the LORD made heaven and earth, and on the seventh day he rested, and was refreshed.

For is not the fact of your going with us the sign that I and this people have grace in your eyes, so that we, that is, I and your people, are separate from all other people on the face of the earth?