The question mark (?; also known as an interrogation point, interrogation mark, question point, query or eroteme), is a punctuation mark that replaces the full stop (period) at the end of an interrogative sentence in English and many other languages. The question mark is not used for indirect questions. The question mark character is also often used in place of missing or unknown data.
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Famous quotes related to question mark:
“Why does man freeze to death trying to reach the North Pole? Why does man drive himself to suffer the steam and heat of the Amazon? Why does he stagger his mind with the mathematics of the sky? Once the question mark has arisen in the human brain the answer must be found, if it takes a hundred years. A thousand years.”
—Walter Reisch (1903–1963)
“The question mark is alright when it is all alone when it
is used as a brand on cattle or when it could be used
in decoration but connected with writing it is
completely entirely completely uninteresting.... A
question is a question, anybody can know that a
question is a question and so why add to it the
question mark when it is already there when the
question is already there in the writing.”
—Gertrude Stein (1874–1946)