english: Charles Darwin believed that insects have emotion and express them in their behaviors, as he wrote in his 1872 monograph on the expression of the emotions in man and animals.
non_english: Čarls Darvin je verovao  da insekti imaju emocije i da ih izražavaju kroz svoje ponašanje,  kao što je i napisao u svojoj monografiji o izrazima emocija kod ljudi i životinja iz 1872.