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Opinion Quotes

An opinion is a conclusion or judgment, a belief. Opinions may or may not be based on facts and knowledge, but are based on experience and on limited factual knowledge, and are often flavored by emotion or group beliefs. Opinions are not certainty, though some who express opinions seem to think they are.

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Doubt and Uncertainty Quotes

Doubt is the feeling of uncertainty about something, calling into question whether something is true or possible. Uncertainty is a feeling or status where something is not known, and can…

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Cynicism Quotes

To be a cynic is to be suspicious of the motives of others or to question the worth of any enterprise. It is related to, but not the same, as…

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Skepticism Quotes

Skepticism is a questioning attitude or doubt, especially towards a belief that claims to be truth. Skepticism is often applied to dogmatic religious beliefs, to scientific inquiry or philosophy, or…

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Atheism and Agnosticism Quotes

Quotes about disbelief, lack of belief, or doubt about gods and other deities. Atheism can be characterized by an active and strong disbelief that deities exist or an explicit denial…