Pessimism, when you get used to it, is just as agreeable as optimism.

Getting out of bed in the morning is an act of false confidence.

The most prolific period of pessimism comes at twenty-one, or thereabouts, when the first attempt is made to translate dreams into reality.

I don't consider myself a pessimist. I think of a pessimist as someone who is waiting for it to rain. And I feel soaked to the skin.

I've always expected the worst, and it's always worse than I expected.

I'm a recovering optimist.

Optimist, n. A proponent of the doctrine that black is white.

I wish I could think of a positive point to leave you with. Will you take two negative points?

A lament in one ear, maybe, but always a song in the other.

I always feel an optimist when I emerge from a tunnel.

The basis of optimism is sheer terror.

I find nothing more depressing than optimism.

Rosiness is not a worse windowpane than gloomy grey when viewing the world.

An optimist stays up until midnight to see the new year in. A pessimist stays up to make sure the old year leaves.

Your bladder's either half full or half empty depending on your world view.

An optimist is a person who sees a green light everywhere, while the pessimist sees only the red stop light. The truly wise person is color-blind.

No one really knows enough to be a pessimist.

I am a pessimist because of intelligence, but an optimist because of will.

One day, someone showed me a glass of water that was half full. And he said, 'Is it half full or half empty?' So I drank the water. No more problem.

A pessimist is someone who has had to listen to too many optimists.