Terra pura lapis non fit quia continuacionem non facit sed commutacionem. Vincens tamen in ea siccitas non permittit eam conglutinari ... (Ibn Sīnā (Avicenna), Avicennae de congelatione et conglutinatione lapidum, ed. Eric J. Holmyard and Desmond C. Mandeville (Paris, 1927), p. 45).
Arabic Print or Manuscript
Ibn Sīnā (Avicenna), al-Šifāʾ: al-Ṭabīʿiyyāt 5 – Al-Maʿādīn wa-l-āṯār al-ʿulwiyya, ed. ʿAbd-al-Ḥalīm Muntaṣir, Saʿīd Zāyid and ʿAbdallāh Ismāʿīl (Cairo, 1965, repr. Cairo, 1983), pp. 3–9, 20–2.
Latin Print or Manuscript
Ibn Sīnā (Avicenna), Avicennae de congelatione et conglutinatione lapidum, ed. Eric J. Holmyard and Desmond C. Mandeville (Paris, 1927).