A vow or a pledge was a solemn thing.
The God of the Bible was (and is) a God who has pledged Himself to his people.

For forty years I led you through the desert … yet your sandals did not wear out." Duet. 29:5
A vow or a pledge was a solemn thing.
The God of the Bible was (and is) a God who has pledged Himself to his people.