Tzetzes wrote three very brief letters to anonymous persons

Summary:
He told the father of a silly child to make him more sensible, if he was worthy of the name of father. He told a slanderer that he saw everything but himself. He accused a pedantic critic of his writing of thinking his own errors were the work of genius 
Dates:
1147: 
Ioannes Tzetzes, man of letters (Ioannes 459)
  • He told the father of a silly child to make him more sensible, if he was worthy of the name of father. He told a slanderer that he saw everything but himself. He accused a pedantic critic of his writing of thinking his own errors were the work of genius (:) Tzetzes, Letters 92.10-16