The Teaching of Geometry (Boston, 1911), p. 12.

[1847]. The culture of the geometric imagination, tending to produce precision in remembrance and invention of visible forms will, therefore, tend directly to increase the appreciation of works of belles-letters.—Hill, Thomas.

The Uses of Mathesis; Bibliotheca Sacra, Vol. 32, p. 504.

[1848].

Yet may we not entirely overlook

The pleasures gathered from the rudiments

Of geometric science. Though advanced

In these inquiries, with regret I speak,

No farther than the threshold, there I found

Both elevation and composed delight: