Constituted as we are, there exist for us lower and higher ends. This distinction is fundamental for ethics. Food is necessary; without it we cannot live. But the getting of food--however necessary--is a lower end. Knowledge is a necessary end, and a higher one. The practical moral ends, such as the reformation of prisons, the improvement of the dwellings of the poor, are yet higher ends. But above all these is the highest end, that of moral completeness, of perfection, not in one particular but in every particular. Spirituality consists in always keeping in view this supreme end. The spiritually-minded person is one who regards whatever he undertakes from the point of view of its hindering or furthering his attainment of the supreme end. If a river had a consciousness like the human consciousness, we might imagine that it hears the murmur of the distant sea from the very moment when it leaves its source, and that the murmur grows clearer and clearer as the river flows on its way, welcoming every tributary it receives as adding to the volume which it will contribute to the sea, rejoicing at every turn and bend in its long course that brings it nearer to its goal. Such is the consciousness of a spiritually-minded human being. Or to take a simile from human experience. There are times when we go abroad to travel just for change of scenery and the refreshment which change brings with it. When we go in this mood we are likely to be intent on wayside pleasures, and at every stage of the journey, at every town where we halt, we shall suffer ourselves to be engrossed in the points of interest which that temporary abiding-place has to offer us, careless of what may await us farther on. But there are other times when we go abroad on serious business. Some congress of scientists or fellow-workers is to meet in which we are to take our part; or there is a conflict being waged in which we are to bear our share of wounds or death, as in the case of the Japanese, who are now setting out from their homes toward the battlefields of Manchuria; or there is some loved one at a distance who needs us, calls us, expects us. Then the stations on the way are unable to captivate our attention; we are impatient to pass them by; we welcome each one as we approach it as bringing us one step nearer to the desired goal.