Who shall set a limit to the influence of a human being? There are men, who, by their sympathetic attractions, carry nations withthem, and lead the activity of the human race. And if there be such a tie, that, wherever the mind of man goes, nature will accompany him, perhaps there are men whose magnetisms are of that force to draw material and elemental powers, and, where they appear, immense instrumentalities organize around them.

The Conduct of Life (ed. Harvard University Press, 2003) - ISBN: 9780674011908