"The Legacy of Ignorantism. A Lecture Delivered on April 23, 1920 Before the Assembly of Teachers in Baguio" is an important work by the famous author T. H. Pardo de Tavera. In his lecture, he touches on the problem of ignorance in society and highlights its negative impact on the development of education and culture. The author examines the factors contributing to the spread of ignorance, as well as the ways he proposed to overcome this problem. The book "Legacy of Ignorance" is an important source for understanding the educational and cultural challenges of its time, as well as the constant relevance of the issues raised by the author.