Isaiah
Isaiah 56:4BSB·traditional attribution

For this is what the LORD says: “To the eunuchs who keep My Sabbaths, who choose what pleases Me and hold fast to My covenant—

Matthew Henry Presbyterian @wholebiblehenry

The prophet is here, in God's name, encouraging those that were hearty in joining themselves to God and yet laboured under great discouragements. 1. Some were discouraged because they were not of the seed of Abraham. They had joined themselves to the Lord, and bound their souls with a bond to be his for ever (this is the root and life of religion, to break...

Commenting on Isaiah 56:3-8

John Gill Reformed Baptist @doctorgill

For thus saith the Lord unto the eunuchs that keep my sabbaths,.... That fear and serve the Lord; religiously observe all times of divine worship, and walk in all the commandments and ordinances of the Lord; show regard to all the institutions of the Gospel, and perform all religious exercises, private and public, on Lord's days, and at other times: and choose the things that...

Jamieson-Fausset-Brown Reformed @jfbcommentary

please me--sacrifice their own pleasure to mine. take hold--so "layeth hold" (see on Isa 56:2).