"The optimism of the Left was created and maintained by a strong feeling: admiration for the power of reason, certaint…"

"Optimism is an occupational hazard of programming: feedback is the treatment."

"The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true. So I el…"

"For men dare not face the universe with no better backing than their own resources; all men that live, and that go pe…"

"I think my optimistic nature, my ability to shed trouble and to laugh through life, making "all my ducks swans," as f…"

"No one doubts that an ordinary man can get on with this world: but we demand not strength enough to get on with it, b…"

"Optimism is morbid. It is if possible even more morbid than pessimism."

"For myself I am an optimist — it does not seem to be much use being anything else."

"I am an irrepressible optimist, but I always base my optimism on solid facts."

"To think in terms of either pessimism or optimism oversimplifies the truth. The problem is to see reality as it is. A…"