1From Thomas Jefferson to Antoine Louis Claude Destutt de Tracy, 14 February 1806 (Jefferson Papers)
I have to return you my thanks for the very acceptable present you have been so kind as to make me of the two first parts of your work on Ideologie, & of the Analysis of Dupuis. both are on subjects highly interesting. my present position not permitting me to read beyond the papers of the day, I treasure them with those things which are to sweeten a retirement to which age and a passion for...