Corpus of Electronic Texts Edition
Rosa Anglica (Author: [unknown])

section 9

9

We say in this connection, that ‘spirit’ can be understood in two ways, one with regard to the natural heat, and the other with regard to the vapour that is subtler than it. For there are two vapours in the heart: the denser vapour, that is254 the natural heat, and the vapour that is subtler and hotter, which is the spirit, and it is of this that Galen speaks in Prognostica.