(adjective) Exhibiting unsoundness or disorder of mind; not sane; mad
"And those who were seen dancing were thought to be insane by those who could not hear the music."
"In individuals, insanity is rare; but in groups, parties, nations and epochs, it is the rule."
"I find my sanity in you, I find my strength in you."
"You are insane for everyone until they need you."
"Pain is a two-way street, sometimes it drags you till the verge of insanity and sometimes it is a blessing in disguise."
"A casual stroll through the lunatic asylum shows that faith does not prove anything."
"There is no such thing as ‘too insane’ unless others turn up dead due to your actions."
"Whoever's calm and sensible is insane!"
"The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane."