O Ysbryd Sanctaidd cymmer di

O Ysbryd Sanctaidd, cymmer di
  Yn awr o eiddo Crist:
Eglura a mynega i ni
  Nes lloni'n henaid trist.

I bob gwirionedd tywys ni,
  I beri in' gael byw;
Can's chwilio pobpeth yr wyt ti
  O ddyfnion bethau Duw.

O Ysbryd Sanctaidd, dwg ni 'mlaen
  Trwy'r dyrys anial dir;
Bydd ini'n golofn niwl a thân,
  Nawdd a goleuni gwir.

gwelir:
  Rhan I: Anfon O Dduw yr Ysbryd Glân
  Rhan II: Yn ôl d'addewid Iesu mawr

O Holy Spirit, take thou
  Now from what is Christ's:
Elucidate and communicate to us
  Until it cheer our sad soul.

To all truth lead us,
  To cause us to receive life;
Since thou dost search everything
  From the depths of the things of God.

O Holy Spirit, lead us on
  Through the troublesome desert land;
Be to us a pillar of cloud and fire,
  A refuge and a true light.