optimism
n. The doctrine, or belief, that everything is beautiful, including what is ugly, everything good, especially the bad, and everything right that is wrong.
Cynical Quotations
The glass is neither half empty nor half full. It is merely twice as large as it needs to be.
— Unknown
I find nothing more depressing than optimism.
— Paul Fussell
The place where optimism most flourishes is the lunatic asylum.
— Havelock Ellis
The basis of optimism is sheer terror.
— Oscar Wilde
[Optimism] is held with greatest tenacity by those most accustomed to the mischance of falling into adversity, and is most acceptably expounded with the grin that apes a smile. Being a blind faith, it is inaccessible to the light of disproof – an intellectual disorder, yielding to no treatment but death. It is hereditary, but fortunately not contagious.
— Ambrose Bierce