"Be fanatically positive and militantly optimistic. If something is not to your liking, change your liking."
— Rick Steves
"Optimism is the art of seeing the glass as refillable, not just half full or half empty."
— Frank Sonnenberg
"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."
— St. Francis of Assisi
"Happiness is the meaning and the purpose of life, the whole aim and end of human existence."
— Aristotle (commonly summarized)
"The good life is one inspired by love and guided by knowledge."
— Bertrand Russell
"A man who plants a tree could never be called a pessimist."
— Iain Cameron Williams
"Life is either a daring adventure or nothing."
— Helen Keller
"An optimist looks for rainbow when it rains, and looks for stars when its dark."
— Amit Kalantri
"Out of the mountain of despair, a stone of hope."
— Martin Luther King Jr.
"I am not afraid of storms, for I am learning how to sail my ship."
— Louisa May Alcott
"Human nature is the problem, but human nature is also the solution."
— Steven Pinker
"You will be fine. No storm lasts forever, and the sun never forgets to rise."
— Debasish Mridha
"Resilience, in a sense, is applied optimism."
— Kate O'Neill
"Hope is informed optimism."
— Michael J. Fox
"Subjectivity is truth."
— Søren Kierkegaard
"When you lose your smile, you lose your way in the chaos of life."
— Roy T. Bennett
"Have a heart that never hardens, and a temper that never tires, and a touch that never hurts."
— Charles Dickens
"Cultivate an optimistic mind, use your imagination, always consider alternatives, and dare to believe that you can make possible what others think is ..."
— Rodolfo Costa
"The more I read, the more I acquire, the more certain I am that I know nothing."
— Voltaire (reflective theme)
"What we achieve inwardly will change outer reality."
— Plutarch