The Psalter, or Psalms of David and certain canticles
Rolle, Richard, of Hampole, tr. 1290?-1349., Bramley, Henry Ramsden, ed. 1833-1917.

24. Nam & ego confitebor tibi in vasis psalmi veritatem tuam deus: psallam tibi in cithera, sanctus israel. ¶ ffor|whi and .i. sall shrife til the in vessels of psalmes. thi sothfastnes: .i. sall synge til the in the harpe, haligh of israel. ¶ I sall not be vnkynd, bot .i. sall loue thi sothfastnes. that is, .i. sall loue the, that Page  252 thou fulfils that thou hight. in vessels of psalmes, that is, in clene hertis. .i. sall synge til the in the harpe. that is, .i. sall gere the body and the saule sown in an acorde of devocion thi louynge, that is haligh of israel. that is, haly til halymen.