“If we hadn't had such a magnificent optimism to carry us through all these things, we wouldn't be here. We have survived it on our optimism.”

“The essence of optimism is that it takes no account of the present, but it is a source of inspiration, of vitality and hope where others have resigned; it enables a man to hold his head high, to claim the future for himself and not to abandon it to his enemy.”

“Optimism is the foundation of courage.”

“...one of my motivating forces has been to recreate the world I know into a world I wish I could be in. Hence my optimism and happy endings.”

“Be careful what you water your dreams with. Water them with worry and fear and you will produce weeds that choke the life from your dream. Water them with optimism and solutions and you will cultivate success.”

“I don't believe in aging. I believe in forever altering one's aspect to the sun. Hence my optimism.”

“The average pencil is seven inches long, with just a half-inch eraser—in case you thought optimism was dead. ”

“One of the things I learned the hard way was that it doesn't pay to get discouraged. Keeping busy and making optimism a way of life can restore your faith in yourself.”

“We must have a pure, honest, and warm-hearted motivation, and on top of that, determination, optimism, hope, and the ability not to be discouraged. The whole of humanity depends on this motivation. ”

“Hope is definitely not the same thing as optimism. It is not the conviction that something will turn out well, but the certainty that something makes sense, regardless of how it turns out.”