Page:Science and Industry - Glazebrook - 1917.djvu/27

 firmly based below. Science is like a tree also in this that both need wise cultivation. The nourishment of the tree, its training and pruning, have their counterparts in the development of science; in both cases the fruit comes as the reward of skill and labour. This is the thing which is hard to understand and yet is so important." This is the fact which it is essential for Cambridge to grasp and to impress upon the Nation.

The great discovery is usually small in its beginnings, it does not at first strike the imagination. The seeds from which the revolution is to come lie hidden in the ground, and the tiny sprout which first appears seems but of small importance. Few besides some students in the Universities realised the wide-reaching scope of Maxwell's theory of the electromagnetic field, when it was first published; few again pictured, when they read