232 PIONEERS OF EVOLUTION. 



the Soul, Hume says : " Matter and spirit are at 

 bottom equally unknown, and we cannot determine 

 what qualities inhere in the one or in the other." 

 That is the conclusion to which the wisest come. 

 And in the ultimate correlation of the physical and 

 psychical lies the hope of arrival at that terminus of 

 unity which was the dream of the ancient Greeks, 

 and to which all inquiry makes approach. How, in 

 these matters, philosophy is at one, is again seen in 

 Huxley's admission that " in respect of the great 

 problems of philosophy, the post-Darwinian genera- 

 tion is, in one sense, exactly where the prse-Dar- 

 winian generations were. They remain insoluble. 

 But the present generation has the advantage of 

 being better provided with the means of freeing itself 

 from the tyranny of certain sham solutions." 



Science explains, and, in explaining, dissipates 

 the pseudo-mysteries by which man, in his myth- 

 making stage, when conception of the order of the 

 universe was yet unborn, accounted for everything. 

 But she may borrow the Apostle's words, " Behold! 

 I show you a mystery," and give to them a pro- 

 founder meaning as she confesses that the origin and 

 ultimate destiny of matter and motion; the causes 

 which determine the behaviour of atoms, whether 

 they are arranged in the lovely and varying forms 

 which mark their crystals, or whether they are quiv- 

 ering with the life which is common to the amoeba 

 and the man; the conversion of the inorganic into 

 the organic by the green plant, and the relation be- 



