For which, the Devil mocks our curious brain,
When, Know thyself! his oracle commands.
For why should we the busy Soul believe,
When boldly she concludes of that and this?
When of herself, she can no judgement give,
Nor How, nor Whence, nor Where, nor What she is?
All things without, which round about we see,
We seek to know, and have therewith to do;
But that, whereby we Reason, Live, and Be,