Text #8715On Old Age. On Friendship. On Divination .
[Cic. Div. 1.50.112. Translated by W. A. Falconer. Harvard University Press. 1923 p. 345]
Not even Pherecydes, the famous teacher of Pythagoras, will be considered a prophet because he predicted an earthquake from the appearance of some water drawn from an unfailing well.