Hebrews 3:5
Moses indeed was faithful in all his house as a servant, for a testimony of those things which were afterward to be spoken,
World English Bible (Public Domain)
In context
Before · Hebrews 3:3–4
3For he has been counted worthy of more glory than Moses, because he who built the house has more honor than the house. 4For every house is built by someone; but he who built all things is God.
5Moses indeed was faithful in all his house as a servant, for a testimony of those things which were afterward to be spoken,