In like manner the effect of every action is measured by the depth of the sentiment from which it proceeds. The great man knew not that he was great. It took a century or two for that fact to appear. What he did, he did, he did because he must; it was the most natural thing in the world, and grew out of the circumstances of the moment.
Nature and Other Writings (ed. Shambhala Publications, 2003) - ISBN: 9781590300992