THE PRESIDENTIAL ADDRESS. 18 
world arises which gives to nature whatever significance it has. As against 
the physical configurations of nature we see here the ideal patterns or 
wholes freely created by the human spirit as a home and an environment 
for itself. 
Among the human values thus created science ranks with art and 
religion. In its selfless pursuit of truth, in its vision of order and beauty, 
it partakes of the quality of both. More and more it is beginning to make 
a profound esthetic and religious appeal to thinking people. Indeed, it 
may fairly be said that science is perhaps the clearest revelation of God 
to our age. Science is at last coming into its own as one of the supreme 
goods of the human race. 
While religion, art and science are still separate values, they may not 
always remain such. Indeed, one of the greatest tasks before the human 
race will be to link up science with ethical values, and thus to remove 
grave dangers threatening our future. A serious lag has already developed 
between our rapid scientific advance and our stationary ethical develop- 
ment, a lag which has already found expression in the greatest tragedy of 
history. Science must itself help to close this dangerous gap in our 
advance which threatens the disruption of our civilisation and the decay 
of our species. Its final and perhaps most difficult task may be found 
just here. Science may be destined to become the most effective drive 
towards ethical values, and in that way to render its most priceless human 
service. In saying this I am going beyond the scope of science as at 
present understood, but the conception of science itself is bound to be 
_ affected by its eventual integration with the other great values. 
I have now finished my rapid and necessarily superficial survey of the 
more prominent recent tendencies in science, and I proceed to summarise 
the results and draw my conclusions, in so far as they bear on our world- 
- picture. - 
_ In the first place we have seen that in the ultimate physical analysis 
‘science reaches a microscopic world of scientific entities, very different 
in character and behaviour from the macroscopic world of matter, space, 
-andtime. The world of atoms, electrons, protons, radiations, and quanta, 
does not seem to be in space-time, or to conform to natural law in the 
‘ordinary sense. The behaviour of these entities cannot be understood 
without the most abstruse mathematics, nor, apparently, without resort 
to epistemological considerations. We seem to have passed beyond the 
_ definitely physical world into a twilight where prophysics and metaphysics 
_ meet, where space-time does not exist, and where strictly causal law in the 
