This translation is based on the fourth edition of Tetsugaku no kigen
(Iwanami Shoten, 2012). The text incorporates extensive quotation
from Greek, German, Japanese, French, and Chinese sources.
Where available, accepted English- language translations have been
used. Where not available, translations have been adapted from
web- based sources, or translated from the original, as indicated in
the citations. I would like to acknowledge the advice and assistance
I received from the author’s wife, Lynne Karatani, which has been
instrumental to the project’s readability.