And we've rendered something illegible, and we've lost the sense of what's actually happening in this world that we've made.

Overall, their written work is poor to illegible even if copied by sight from another document, and drawing is difficult.

As Paul Gallez points out, this excellent system allows the deduction of many latitudes and longitudes where the only extant document is in such a bad condition as to make it practically illegible.

Abdulaziz bin Abdullah bin Muhammad Al al Sheikh (Seal illegible) Grand Mufti of the Kingdom of Saudi Arabia, Chairman of the Committee of Senior Ulema, Chairman of the Department of Scientific Research and Ifta'