Hebrews 11:6

⁶ But without faith it is impossible to please Him, for he who comes to God must believe that He is, and that He is a rewarder of those who diligently seek Him.

Ephesians 4:13-15

¹³ till we all come to the unity of the faith and of the knowledge of the Son of God, to a perfect man, to the measure of the stature of the fullness of Christ; ¹⁴ that we should no longer be children, tossed to and fro and carried about with every wind of doctrine, by the trickery of men, in the cunning craftiness of deceitful plotting, ¹⁵ but, speaking the truth in love, may grow up in all things into Him who is the head—Christ