Conclusions from observations are unreliable, only the mind can come nearer to to the truth. Thus, in some ways, philosophy is more important than science.

Everything has a natural explanation. The moon is not a god but a great rock and the sun a hot rock.

Men would live exceedingly quiet if these two words, mine and thine, were taken away.

The descent to Hades is the same from every place.

The purpose of life is the investigation of the Sun, the Moon, and the heavens.

Appearances are but a glimpse of what is hidden.

All other things have a portion of everything, but Mind is infinite and self-ruled, and is mixed with nothing but is all alone by itself.