Isaiah 56:4-6

Young's Literal Translation

⁴ For thus said Jehovah of the eunuchs, Who do keep My sabbaths, And have fixed on that which I desired, And are keeping hold on My covenant:

⁵ I have given to them in My house, And within My walls a station and a name, Better than sons and than daughters, A name age-during I give to him That is not cut off.

⁶ And sons of the stranger, who are joined to Jehovah, To serve Him, and to love the name of Jehovah, To be to Him for servants, Every keeper of the sabbath from polluting it, And those keeping hold on My covenant.