No matter how seemingly unconnected with human affairs or remote from human interests a newly-discovered truth may appear to be, time and genius will some day make it minister to human welfare. When Dr. Franklin was once sceptically asked what was the use of some recondite and far-off truth which had just been brought to light, "What," said he, "is the use of babies?"
p. 185 - Thoughts Selected from the Writings of Horace Mann (1872)