'Believed' in the Bible

Unless I had believed to see the goodness of Jehovah in the land of the living ...!

Because they believed not in God, and confided not in his salvation;

For all this, they sinned still, and believed not in his marvellous works;

Then believed they his words; they sang his praise.

And they despised the pleasant land; they believed not his word,

I believed, therefore have I spoken. As for me, I was greatly afflicted.

Teach me good discernment and knowledge; for I have believed in thy commandments.