Page:John Dewey's Interest and Effort in Education (1913).djvu/65

 to consider, to reflect, to inquire, to look into the matter. Is the end worth while under the circumstances? Is there not some other course which, under the circumstances, is better? So far as this reconsideration takes place, the situation is quite different from that of a person merely giving up as soon as an obstacle shows itself. Even if the final decision is to give up, the case is radically different from the case of giving up from mere instability of purpose. The giving up now involves an appeal to reason, and may be quite consistent with tenacity of purpose or "strength of will." However, reflection may take quite another course: it may lead not to reconsideration of ends, but to seeking for new means; in short, to discovery and invention also. The child who cannot carry the stone that he wishes may neither keep on in a fruitless struggle to achieve the impossible, nor yet surrender his purpose; he may be led to think of some other way of getting the stone into motion; he may try prying it along with a bar. "Necessity is the mother of invention."

In the latter case, the obstacle has, indeed,