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A knowledge of the principles of literature and science is then important. There is, however, a knowledge much more important — a knowledge es- sential to an upright, happy and useful life. He that lives such a life, be it professional or non -profes- sional, public or private, must know what is right and what is wrong, and how to distinguish the one from the other; he must know how he may be recon- ciled to an offended God, and live at j^eace with him ; and how he may be freed from every unholy affection and come to cherish those elevated sentiments that assimilate the human to the divine ; he must know those magnificent truths, from whose unfathomable depths alone can be drawn motives adequate to raise men from the dust, and constrain them to enter the elevated walks of true obedience to the great law- giver ; and, if in his whole career, he does aught for his fellow man, he must understand well those eter- nal principles in accordance with whi(;h alone man's most momentous interests can be successfully pro- moted. He that lives a life worthy of a man — a life that will at all answer the demands of the end of his being — must know all this. It is absolutely indis- pensible. Now, where shall this knowledge be found? Cer- tainly not in the speculations of Plato or Aristotle; certainly not in the ethics of Cicero or Seneca. The