this shall

Isaiah 7:14
Therefore the Lord Himself will give you a sign: Behold, the virgin will be with child and will give birth to a son, and she will call Him Immanuel.

Isaiah 38:7
This will be a sign to you from the LORD that He will do what He has promised:

Exodus 3:12
"I will surely be with you, " God said, "and this will be the sign to you that I have sent you: When you have brought the people out of Egypt, all of you will worship God on this mountain."

1 Kings 13:3-5
That day the man of God gave a sign, saying, "This is the sign that the LORD has spoken: 'Surely the altar will be split apart, and the ashes upon it will be poured out.'" . . .

2 Kings 19:29
And this will be a sign to you, O Hezekiah: This year you will eat what grows on its own, and in the second year what springs from the same. But in the third year you will sow and reap; you will plant vineyards and eat their fruit.

2 Kings 20:9
And Isaiah replied, "This will be a sign to you from the LORD that He will do what He has promised: Would you like the shadow to go forward ten steps, or back ten steps?"

ye shall

Isaiah 7:21-25
On that day a man will raise a young cow and two sheep, . . .

Leviticus 25:4, 5, 20-22
But in the seventh year there shall be a Sabbath of complete rest for the land--a Sabbath to the LORD. You are not to sow your field or prune your vineyard. . . .