The nearest way seem'd best, o'er hoult and heath / We went, through deserts waste, and forests wide.

Determining what was unique about living beings, he postulated the ‘corporeity’ of a soul […] , common to beast and man alike.

In the fifteenth century, he espoused ecology ante litteram. He endorsed ecology before the term ecology existed.

… to the forthspeaker for God this book has the greatly enhanced value that it is by one who had learned what many historians have ignored …