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THE PROEM.
PLATO pickt out the nimblest Witted Scholars he had, whenever he pro∣posed to advance any grave, subtil, and uncommon Doctrin, and to such only he imparted his Sentiments; being taught by Ex∣perience, that it would be but Time thrown away, piercing empty Nodels in vain, and Learn∣ing fruitlesly squandred, in communicating ele∣vated Matters to incapable Blockheads. The next thing he did (after such a Choice) was to prepare them by certain Suppositions in themselves clear, true, and not wide of the Conclusion: Because Sayings and Sentences started on a sudden, con∣trary to the receiv'd Opinion, at first, serve to no other purpose (such precaution not being used) but to confound and perplex the Auditors, to lose their Favour, and make them distaste the Doctrin. The same Method (Curious Reader) would I take with you, if you could by any manner of means before-hand penetrate into and discover to me alone, what kind of Genius Your's is: For if it be suited to this Doctrin, I would distinguish you from Common Wits, and privately communi∣cate to you, such new and singular Opinions, as were never once thought of, nor ever entered