You should listen to your heart, and not the voices in your head. – Matt Groening, The Simpsons, spoken by the character Marge Simpson

Show me a sane man and I will cure him for you. – Carl Gustav Jung

Temporary madness may be necessary in some cases, to cleanse and renovate the mind; just as a fit of illness is to carry off the humours of the body. – Augustus William Hare and Julius Charles Hare, Guesses at Truth, by Two Brothers

There is always a madness in love. There is however also always a reason in madness. – Friedrich Nietzsche (1844–1900), “Of Reading and Writing,” Thus Spake Zarathus