Passage cross-references.

And if ye shall say, What shall we eat the seventh year? behold, we shall not sow, nor gather in our increase: …

And he said, Certainly I will be with thee; and this shall be a token unto thee, that I have sent thee: When thou hast brought forth the people out of Egypt, ye shall serve God upon this mountain.

And Hezekiah said unto Isaiah, What shall be the sign that the LORD will heal me, and that I shall go up into the house of the LORD the third day? …

And this shall be a sign unto thee, Ye shall eat this year such as groweth of itself; and the second year that which springeth of the same: and in the third year sow ye, and reap, and plant vineyards, and eat the fruit thereof.

And this shall be a sign unto you; Ye shall find the babe wrapped in swaddling clothes, lying in a manger.

But in the seventh year shall be a sabbath of rest unto the land, a sabbath for the LORD: thou shalt neither sow thy field, nor prune thy vineyard. …

And this shall be a sign unto thee, that shall come upon thy two sons, on Hophni and Phinehas; in one day they shall die both of them.

Ask thee a sign of the LORD thy God; ask it either in the depth, or in the height above. …

This is the word that the LORD hath spoken concerning him; The virgin the daughter of Zion hath despised thee, and laughed thee to scorn; the daughter of Jerusalem hath shaken her head at thee.

For out of Jerusalem shall go forth a remnant, and they that escape out of mount Zion: the zeal of the LORD of hosts shall do this. …