’T was then we luvit ilk ither weel,
’T was then we twa did part:
Sweet time—sad time! twa bairns at scule—
Twa bairns and but ae heart.

Jeannie Morrison (c. 1832), Stanza 3. Compare: "Zwei Seelen und ein Gedanke, Zwei Herzen und ein Schlag" (translated: "Two souls with but a single thought, Two hearts that beat as one"), Eligius Franz Joseph von Münch-Bellinghausen, Ingomar the Barbarian, Act ii.; " Two friends, two bodies with one soul inspir’d" Alexander Pope, The Iliad of Homer, Book xvi, line 267.