'Believing' in the Bible

And he came also to Derbe and to Lystra. And behold, a certain disciple was there {named} Timothy, the son of a believing Jewish woman but of a Greek father,

But I do confess this to you, that according to the Way (which they call a sect), so I worship the God of our fathers, believing all things [that are] in accordance with the law and that are written in the prophets,