" Moreover, in order to show forth her wisdom and the excellence of her mind to the centuries to come, she [Nicostrata/Carmentis] worked and studied so hard that she invented her own letters, which were completely different from those of other nations, that is, she established the Latin alphabet and syntax, spelling, the difference between the vowels and consonants, as well as a complete introduction to the science of grammar. "

― Christine de Pizan , The Book of the City of Ladies