Apartir do assunto abordado no texto acima e considerando o pensamento de filósofos pré-socráticos essa mudança constante descrita no texto representa o pensamento de qual filosofo?

Which sentence uses the denotative meaning of the word blue? i was feeling pretty blue when i lost my favorite earrings. i wore a blue scarf to complement the color of my eyes. the characters in the book all seemed rather blue. the movie’s ending always puts me in a blue mood.