Philosophers, who confess ultimate causes to be totally unknown, are sensible that the most refined principles, into which they trace the phenomena, are still to them as inexplicable as these phenomena themselves are to the vulgar .

• 什么样的哲学家才可能服从如此僵化的戒律呢? 哲学家们承认，终极的原因是完全不可知的； 他们明白，正如一般百姓无法解释现象一样，他们也无法解释自己用以探究那些现象的精微原则。