Nam Sophia ars illa eft, quæ fallere fuaviter horas PSEUDON: apud PITCAIRN. EDINBURGH SOLD BY T. CADELL, LONDON, To DR REID. SIR, T would be ungrateful at least, and al IT most uncandid, were I to publish these Effays, without infcribing them to You; confcious as I am, that, but for the affiftance which I have received from your writings, they never could have been compofed, nor thought of; and that, but for the approbation which many parts of them have met with from you, they never would have been published. Indeed the hint of the principal argument which I have endeavoured to state and illuftrate in the first of these Effays, the only one contained in this volume, was taken from an obfervation of yours, in one of your Essays on |