Hebrews 3:6

But Christ is faithful as the Son over God’s house. And we are His house, if we hold firmly to our confidence and the hope of which we boast.

Note NE, WH, BYZ, and TR include to the end.

But Christ as a son over his own house; whose house are we, if we hold fast the confidence and the rejoicing of the hope firm unto the end.

but Christ is faithful as a Son over his house. We are his house, if we hold fast our confidence and the glorying of our hope firm to the end.

Note “Christ” means “Anointed One”.

but Christ as a son, over his house; whose house are we, if we hold fast our boldness and the glorying of our hope firm unto the end.