Isaiah 56:4-6
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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—
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to 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 not be cut off.
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And foreigners who bind themselves to the Lord
to serve him,
to love the name of the Lord,
and to worship him,
all who keep the Sabbath without desecrating it
and who hold fast to my covenant—