Something inspirational:

"Hateful to me as the gates of Hades is that man who hides one thing in his heart and speaks another."

HOMER

In simpler terms, it means the author of the quote, Homer, deeply hates people who are insincere or dishonest—those who conceal their true feelings or intentions while expressing something different outwardly. This expression emphasises the value of honesty and integrity in one's words and actions.