“You probably think the majority of your crabbiness is caused by the idiots and sociopaths in your life plus your inexplicable bad luck on any given day. Based on a lifetime of observation, my best estimate is that 80 percent of your mood is based on how your body feels and only 20 percent is based on your genes and your circumstances, particularly your health.”

American cartoonist, author, and commentator

Scott Raymond Adams was an American cartoonist, author, and commentator. He is best known as the creator of the Dilbert comic strip, and for nonfiction writing that ranges across business, self-improvement, commentary, and satire. His work made him a familiar voice on office life and modern work culture, with Dilbert becoming his most widely recognized creation. Across his books and commentary, he wrote on practical business ideas, personal improvement, and satirical observations of everyday life.