(noun) The state of being mad; insanity; mental disease.
"The greatest blessing granted to mankind come by way of madness, which is a divine gift."
"There is always some madness in love. But there is also always some reason in madness."
"No great mind has ever existed without a touch of madness."
"Madness is something rare in individuals - but in groups, parties, peoples, and ages, it is the rule."
"The basis of optimism is sheer terror."
"It’s better to be absolutely ridiculous than absolutely boring."
"Madness is to think of too many things in succession too fast, or of one thing too exclusively."
"Men will always be mad, and those who think they can cure them are the maddest of all."
"I definitely have some kind of mental problem and I haven't pinpointed what it is."
"We are all born mad, some remain so."
"Mental toughness is essential to success."
"Humour is reason gone mad."