Isaiah 56:3; Isaiah 56:6

3 Let 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.”

6 And foreigners who bind themselves to the LORDto 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—