' Positively, the principle may be expressed, in matters of the intellect, Follow your 

 reason, as far as it will take you,, without regard to any other consideration. And 

 negatively, inmatters of the intellect, Do not pretend that conclusions are certain, which 

 are not demonstrated, or demonstrable.' 



Prom Professor HuXLEy's Definition of Agnosticism. 



