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N° 180. , other accomplishments are neglected; as a small garrison must leave one part of an extensive fortress naked, when an alarm calls them to another.

The learned, however, might generally support their dignity with more success, if they suffered not themselves to be misled by the desire of superfluous attainments. Raphael, in return to Adam's inquiries into the courses of the stars and the revolutions of heaven, counsels him to withdraw his mind from idle speculations, and employ his faculties upon nearer and more interesting objects, the survey of his own life, the subjection of his passions, the knowledge of duties which must daily be performed, and the detection of dangers which must daily be incurred.

This angelick counsel every man of letters should always have before him. He that devotes himself to retired study, naturally sinks from omission to forgetfulness of social duties; he must be therefore sometimes awakened, and recalled to the general condition of mankind.

I am far from any intention to limit curiosity, or confine the labours of learning to arts of immediate and necessary use. It is only from the various essays of experimental industry, and the vague excursions of minds sent out upon discovery, that any advancement of knowledge can be expected, and though many must be disappointed in their labours, yet they are not to be charged with having spent their time in vain; their example contributed to inspire emulation, and their miscarriages taught others the way to success.