The document discusses the importance of using a child's mother tongue for early education. It states that children learn better when taught in their native language as it improves their understanding and literacy levels. It also creates a smooth transition between home and school. The document emphasizes that for successful literacy development, children need engaging learning materials that are relevant and written in a language they understand. It also stresses the importance of teacher training that acknowledges linguistic diversity and supports methodologies using the learner's native language.