"<i>Tabula rasa.</i> Lat.--'A shaved or smoothed tablet.'--His mind is a <i>tabula rasa</i>--it is a mere blank."
A Dictionary of Quotations
Macdonnel, David Evans. <u>A Dictionary of Quotations, in Most Frequent Use. Taken from the Greek, Latin, French, Spanish, and Italian Languages; Translated Into English. With Illustrations Historical and Idiomatic
</u> (London: Printed for G.G. and J. Robinson, 1797).