Fascinating, indeed, the question how feeling and sentiment control conduct and character. Modern machinery has thrown light upon the problems of the soul. The engineer finds that his locomotive will not run itself, but waits for the steam to pound upon the piston. The great ships also are becalmed until the trade winds come to beat upon the sails. Informed by these physical facts, we now see a noble thought or ambition or social ideal is a mechanism that will not work itself, but asks the enthusiastic heart to lend power divine. Some of earth's greatest orators, like Patrick Henry, have been unlearned men, but no orator has ever fallen short of being an enthusiastic man. A generation ago there appeared in Paris one whose voice was counted the most perfect voice in Europe. Musical critics gave unstinted praise to the purity of tone and accuracy of execution. Yet in a few weeks the audiences had dwindled to a handful, and in a few years the singer's name was forgotten. Obscurity overtook the singer because there was no heart behind the voice and so the tones became metallic. Contrariwise, the history of Jenny Lind contains a letter to a friend in Sweden, in which the singer writes: "Oh, that I may live two years longer and be permitted to save enough money to complete my orphans' home!" As the sun's warm beams lend a soft blush to the rose and pulsate the crimson tides through to the uttermost edge of each petal, so a great, loving sympathy, sang and sighed, thrilled and throbbed through the tones of the Swedish singer, and ravished the hearts of the people and made her name immortal. History portrays many men of giant minds whose intellect could not redeem them from aimlessness and obscurity. Not until some divine enthusiasm descended upon the mind and baptized it with heroic action did these men find themselves. To that young patrician, Saul, journeying to Damascus, came the heavenly vision, and the new impulse of the heart made his cold mind warm, lent wings to his slow feet, made all his days powerful, made his soul the center of an immense activity. This glowing heart of Paul explains for us the fact that he achieved freedom of thought and speech, endured the stones with which he was bruised, the stocks in which he was bound, the mobbings with which he was mutilated; explains also his eloquence, known and unrecorded; explains his faith and fortitude, his heroism in death. And not only has the zeal of the heart made strong men stronger, turned weak men into giants, lent the soldier his conquering courage and lent the scholar a stainless life--to men whose will has been made weak by indulgence, the new love has come to redeem intellect and will from the bondage of habit.