"It would... be especially adapted to fulfil another... higher purpose by leading the thoughts of the practical student into those wide and elevated regions of reflection to which the study of Nature's laws never fails to conduct the mind. Thus linking the daily details of his profession with the grander physical agencies... and with much of what is agreeable and ennobling in the contemplation of external things, it would insensibly elevate and refine his character and contribute to the cheerfulness as it aided the efficiency of his labours."