The battle of life is, in most cases, fought uphill; and to win it without a struggle were perhaps to win it without honor. If there were no difficulties there would be no success; if there were nothing to struggle for, there would be nothing to be achieved.
Practical wisdom is only to be learned in the school of experience. Precepts and instruction are useful so far as they go, but, without the discipline of real life, they remain of the nature of theory only.
It is energy - the central element of which is will - that produces the miracle that is enthusiasm in all ages. Everywhere it is what is called force of character and the sustaining power of all great action.