'Seven' in the Bible

Later on, the Israelis practiced what the LORD considered to be evil, so the LORD handed them over to the domination of Midian for seven years.

Later that very night, the LORD told Gideon, "Take the bull that belongs to your father, along with a second bull that's seven years old. Then tear down the altar to Baal that your father owns, cut down the Asherah that's beside it,

He had 30 sons and 30 daughters, but he gave his daughters in marriage to outsiders and brought in 30 outsiders for his sons. He governed Israel for seven years,

So she kept on crying in front of him for the entire seven days of the wedding party. On the seventh day he told the solution to her because she nagged him, and then she told the solution to the riddle to her relatives.

Samson replied, "If I'm tied up with seven green cords that have never been dried out, then I'll become weak and just like any other human being."

Then the Philistine leaders brought her seven green cords that had never been dried, and she tied him up with them.

Later on, Delilah told Samson, "You're still mocking me and telling me lies! Tell me how to tie you up!" He answered her, "If you weave the seven locks on my head into a loom and fasten it with a peg, then I will become weak and just like any other human being."

So Delilah took the seven locks on his head and wove them into the loom while he slept. She fastened his hair with a peg and then told him, "The Philistines are attacking you, Samson!" But he woke up from his nap and pulled the pin from the loom and the weaving.

So she enticed him to fall asleep on her lap, called for a man to shave off his seven locks of hair from his head, and so began to humiliate him. Then his strength abandoned him.