The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true. James Cabell

• optimism
• pessimism

An optimist is the human personification of spring. Susan Bissonette

• optimism

Expect the best, plan for the worst, and prepare to be surprised. Denis Waitley

• expectation
• optimism

Change has a considerable psychological impact on the human mind. To the fearful it is threatening because it means that things may get worse. To the hopeful it is encouraging because things may get better. To the confident it is inspiring because the challenge exists to make things better. King Whitney Jr.

• confidence
• fear
• optimism
• change

If you think you can, you can. And if you think you can't, you're right. Mary Kay Ash

• optimism
• pessimism

No matter how dark things seem to be or actually are, raise your sights and see the possibilities - always see them, for they're always there. Norman Vincent Peale

• optimism
• possibility
• despair

Spare me the grim litany of the "realist." Give me the unrealistic aspirations of the optimist any day. Colin Powell

• optimism

An individual has a healthy personality to the exact degree to which they have the propensity to look for the good in every situation. Ralph Waldo Emerson

• attitude
• personality
• optimism

Gentlemen, for the first time in the history of this campaign, we are now in a position to attack the enemy in any direction. General Creighton Abrams

• optimism

This is the context.

Perpetual optimism is a force multiplier. Colin Powell

• optimism

If one wishes to be an idealist, it's probably a good idea to become a hermit at the same time. Charley Reese

• optimism
• principle

Don't wait until you feel positive to move forward. Act your way into feeling good. John Maxwell

• optimism
• initiative

Many an optimist has become rich simply by buying out a pessimist. Laurence Peter

• optimism
• pessimism

An optimist is a person who sees a green light everywhere, while the pessimist sees only the red stoplight. The truly wise person is colorblind. Albert Schweitzer

• positive thinking
• optimism
• wisdom
• pessimism

There's no difference between a pessimist who says, "Oh, it's hopeless, so don't bother doing anything," and an optimist who says, "Don't bother doing anything, it's going to turn out fine anyway." Either way, nothing happens. Yvon Chouinard

• action
• initiative
• pessimism
• optimism

You must never confuse faith that you will prevail in the end - which you can never afford to lose - with the discipline to confront the most brutal facts of your current reality, whatever they might be. Admiral Jim Stockdale

• optimism

This is the source.

Remember that all through history the way of truth and love has always won. There have been tyrants and murderers and for a time they seem invincible but in the end, they always fall - think of it, always. Mahatma Mohandas Gandhi

• love
• optimism
• truth
• tyranny

[S]kepticism and pessimism aren't synonymous. Skepticism calls for pessimism when optimism is excessive. But it also calls for optimism when pessimism is excessive. Howard Marks

• optimism
• pessimism

This is the source.