The writer expresses strong approval of the plan to supplement the Encyclopédie, hoping that outdated and erroneous ideas will no longer be propagated. They express frustration at the inadequate compensation proposed for their contributions and highlight that they will not be involved in the project unless significant corrections are made. The writer offers to contribute articles on various topics, provided they remain alive, and warns that any misattributed or poorly edited content will be disavowed. They also dismiss the idea of an Italian revising the French Encyclopédie with Swiss assistance, as they are unfamiliar with the initiative.