Michael Staunton (2001). "61: Doubts about Thomas's Sanctity". The Lives of Thomas Becket. Manchester University Press. pp. 237–8. ISBN 978-0-7190-5455-6.
Novice: Why is it that certain martyrs work more wonders after death than others? Is it because of some distinguishing sanctity?
Monk: As said above miracles are not of merit in themselves, but as signs of sanctity. Certain saints work many miracle in their lifetime, but cease when they die. Others, on the other hand, because they produced no signs of sanctity while alive, are wonderful in miracles after death.
Caesarius (Heisterbacensis); Josef Strange (1851). Dialogus miraculorum. Heberle. pp. 139–40.