\begin{definition}[Definition:Numerology/Historical Note]
The concept of '''numerology''' seems to have begun with {{AuthorRef|Pythagoras of Samos|Pythagoras}} and the Pythagorean school, continuing with the neo-Pythagoreans.
{{AuthorRef|Plato}} adopted the ideas, and from there they were passed on through the emerging Christian tradition into the heart of the philosophy of Western civilization, where it still exerts a powerful influence.
\end{definition}