[annalex]

Here it is. It says "informed". However, it is possible that Diderot spoke not of formal education but of moral formation.

May they defer (at least for several centuries), the judgment pronounced against all the things of this world, the judgment which condemned them to have their birth, their period of strength, their decrepitude, and their end.

[Texas Fossil]

Thanks for the link.

I took my quote from a book (that I loaned to friend & did not return) written by a French author. I have never seen it anywhere else.

If I remember correctly, I took the image from an illustration in the book.