Few people are capable of expressing with equanimity opinions that differ from that of their social environment. (Albert Einstein, German-born theoretical physicist and Nobel Laureate who developed the Theory of Relativity, one of the two pillars of modern physics, 1879-1955Opinion: Everyone is entitled to his own opinion but not his own facts.

— Daniel Patrick Moynihan, U.S. politician and sociologist, 1927-2003

A man’s opinion is no better than his information.

— Lyndon B. Johnson, politician who served as the 36th President of the United States, 1908-1973

It often takes more courage to change one’s opinion than to stick to it.

— Georg Christoph Lichtenberg, German experimental physicist and satirist, 1742-1799

A man should never be ashamed to own that he has been in the wrong, which is but saying … that he is wiser today than yesterday.

— Jonathan Swift, Anglo-Irish satirist, political pamphleteer, and cleric 1667-1745

We have to live today by what truth we can get today and be ready tomorrow to call it falsehood.

— William James, U.S. philosopher and psychologist who was also trained as a physician, 1842-1910

Too often we enjoy the comfort of opinion without the discomfort of thought.

— John F. Kennedy, U.S. politician and 35th U.S. president, 1917-1963

Few people are capable of expressing with equanimity opinions that differ from that of their social environment.

— Albert Einstein, German-born theoretical physicist and Nobel Laureate who developed the theory of relativity, one of the two pillars of modern physics, 1879-1955

Everyone is entitled to his own opinion but not his own facts.

— Daniel Patrick Moynihan, U.S. politician and sociologist, 1927-2003

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd; indeed, in view of the silliness of the majority of mankind, a widespread belief is more likely to be foolish than sensible.

— Bertrand Russell, British philosopher, mathematician, historian, and Nobel Laureate, 1872-1970

Loyalty to a petrified opinion never yet broke a chain or freed a human soul.

— Mark Twain, U.S. writer, humorist, entrepreneur, publisher, and lecturer, 1835-1910

Loyalty to a petrified opinion never yet broke a chain or freed a human soul.

— Mark Twain, U.S. writer, humorist, entrepreneur, publisher, and lecturer, 1835-1910

The man who never alters his opinion is like standing water, and breeds reptiles of the mind.

— William Blake, English poet, painter, and printmaker, 1757-1827

Opinion . . . is but knowledge in the making.

— John Milton, English poet, 1608-1674

The deadliest contagion is majority opinion.

— Henry S. Haskins, U.S. stockbroker and man of letters, 1875-1957

The fewer the facts, the stronger the opinion.

— Arnold H. Glasow, U.S. businessman, 1905-1998
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