“When a man vows a vow to יהוה, or swears an oath to bind himself by some agreement, he does not break his word, he does according to all that comes out of his mouth.
“Three times a year all your males appear before יהוה your Elohim in the place which He chooses: at the Festival of Unleavened Bread, and at the Festival of Weeks, and at the Festival of Booths. And none should appear before יהוה empty-handed,