'Seven' in the Bible

Then the Israelites did evil in the sight of the Lord; and the Lord gave them into the hand of Midian for seven years.

Now on that same night the Lord said to Gideon, “Take your father’s bull, the second bull seven years old, and tear down the altar of Baal that belongs to your father, and cut down the Asherah that is beside it;

He had thirty sons, and thirty daughters whom he gave in marriage outside the family, and he brought in thirty daughters [-in-law] from outside for his sons. He judged Israel for seven years.

Then Samson said to them, “Let me now ask you a riddle; if you can tell me what it is within the seven days of the feast, and solve it, then I will give you thirty linen tunics (undergarments) and thirty changes of [outer] clothing.

However Samson’s wife wept before him seven days while their [wedding] feast lasted, and on the seventh day he told her because she pressed him so hard. Then she told the [answer to the] riddle to her countrymen.

Samson said to her, “If they bind me with seven fresh cords (tendons) that have not been dried, then I will be weak and be like any [other] man.”

Then the Philistine lords brought her seven fresh cords that had not been dried, and she bound him with them.

Then Delilah said to Samson, “Until now you have mocked me and told me lies; tell me [truthfully] with what you may be bound.” And he said to her, “If you weave the seven braids of my hair with the web [and fasten it with a pin, then I will become weak and be like any other man.”

She made Samson sleep on her knees, and she called a man and had him shave off the seven braids of his head. Then she began to abuse Samson, and his strength left him.