The statement is false.
The hieroglyphs are the way used to understand the Ancient Egyptian society. The hieroglyphs were the writing system used by the Egyptians, thus it is the most suitable way to understand their way of life, their political system, beliefs, economy type, interactions, discoveries. The hieroglyphs unlike today's writing systems is a way of writing that uses symbols, like an eagle, snake, human, sun etc. and each symbol can mean a letter, a thought, a word, or even a whole sentence.