“…markets are moved by animal spirits, and not by reason.” John Maynard Keynes
"Look up, laugh loud, talk big, keep the color in your cheek and the fire in your eye, adorn your person, maintain your health, your beauty and your animal spirits." William Hazlitt
“A man's opinion of danger varies at different times, in consequence of an irregular tide of animal spirits; and he is actuated by considerations which he dares not avow.” Tobias Smollett