The only real problem in life, an ancient philosopher had once said, is what to do next.

Other ancient philosophers approach the idea of viewing one's place in the ecosystem as well.

As an ancient philosopher had once said, "The poor are only poor because of their great number."

This went against the views of Aristotle, an ancient philosopher whose theory was different.

Epicurus was one of the first ancient philosophers to view the role man plays in nature.

He knew he could not lie to the ancient philosopher.

Every gloss closed with a quote from an ancient philosopher.

She has spent years in the study of available writings and doctrines from ancient human philosophers.

Rhetoric was viewed as a civic art by several of the ancient philosophers.

"You're a bit of an ancient philosopher yourself," said Picard.