Pact, by R.S. Thomas
This is my child;
that is yours. Let
peace be between them
when they grow up.
They are far off
now; let it not
be through war they are brought
near. Their languages
are different. Let them both
learn it is peace
in the hand is the translation
of peace in the mind.
by R.S. Thomas (1913-2000)
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In the Dark 
December 3, 2015 at 6:40 pm
This poem is not in the Collected Poems, 1945-1990 of R. S. Thomas that I’ve got. I have seen it before somewhere, however.
December 3, 2015 at 7:44 pm
It appears in Uncollected Poems, by RS Thomas, edited by Tony Brown and Jason Walford Davies, Bloodaxe, 192 pp, £9.95, ISBN: 978-1852248963. This contains about 150 poems that had previously appeared in magazines and newspapers rather than the poet’s own books.
December 3, 2015 at 8:18 pm
I see. I’ll have to look out for that book.
December 3, 2015 at 11:16 pm
Always glad to read RS Thomas’ poetry.