Maria asked:

How can the philosophy of Buddhism such as The Four Noble Truths and the Eightfold Path be
compared to other schools of philosophical thought?

For example, how can the whole concept of the eightfold path be related to Plato's or Aristotle's
philosophies?

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I'll tell you what, take a look at the Introduction and first and second chapters in the following:
Solomon, R.C., and C.W. Martin. Morality and the Good Life: An Introduction to Ethics through
Classical Sources.Fourth ed. New York, NY: McGraw-Hill, 2004.

They do a good introductory job of relating a variety of religions and philosophies.

Steven Ravett Brown