Isaiah 56:2-6

2Blessed is the one who does this— the person who holds it fast, who keeps the Sabbath without desecrating it, and keeps their hands from doing any evil.”

3Let no foreigner who is bound to the Lord say, “The Lord will surely exclude me from his people.” And let no eunuch complain, “I am only a dry tree.”

4For this is what the Lord says: “To the eunuchs who keep my Sabbaths, who choose what pleases me and hold fast to my covenant—

5to them I will give within my temple and its walls a memorial and a name better than sons and daughters; I will give them an everlasting name that will endure forever.

6And foreigners who bind themselves to the Lord to minister to him, to love the name of the Lord, and to be his servants, all who keep the Sabbath without desecrating it and who hold fast to my covenant—