Sentence 1: Steiner argued that , in the right circumstances , the spiritual world can be explored through direct experience by practicing rigorous forms of ethical and cognitive self-discipline .
Sentence 2: Steiner held that the spiritual world can be researched in the right circumstances through direct experience , by persons practicing ethical and cognitive forms of rigorous self-discipline .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?