'Believing' in the Bible

How blessed is this woman for believing that what was spoken to her by the Lord would be fulfilled!"

but believing him to be in the group of travelers, they went a day's journey. And they began searching for him among [their] relatives and [their] acquaintances,

He who is not with Me [believing in Me as Lord and Savior] is against Me [there is no impartial position]; and he who does not gather with Me [assisting in My ministry], scatters.

and their sayings appeared before them as idle talk, and they were not believing them.

and while they are not believing from the joy, and wondering, he said to them, 'Have ye anything here to eat?'