I learn, with pleasure, your acquisition of the pamphlet on the astronomy of the ancient Mexicans. If it be ancient and genuine, or modern and rational, it will be of real value. It is one of the most interesting countries of our hemisphere, and merits every attention.

I am thankful for your kind offer of sending the original Spanish for my perusal. But I think it a pity to trust it to the accidents of the post, and whenever you publish the translation, I shall be satisfied to read that which shall be given by your translator, who is, I am sure, a greater adept in the language than I am.

Accept the assurances of my great esteem and respect.

Th: Jefferson.

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LETTER LXXXIV.—TO DON VALENTINE DE FORONDA, October 4, 1809

TO DON VALENTINE DE FORONDA.

Monticello, October 4, 1809.

Dear Sir,

Your favor of August the 26th came to hand in the succeeding month, and have now to thank you for the pamphlet it contained. I have read it with pleasure, and find the constitution proposed would probably be as free as is consistent with hereditary institutions. It has one feature which I like much; that which provides that when the three co-ordinate branches differ in their construction of the constitution, the opinion of two branches shall overrule the third. Our constitution has not sufficiently solved this difficulty.