Sentence examples for a poor from inspiring English sources

The part of a sentence "a poor" is not correct and cannot be used in written English.
The word "poor" should always be preceded by an article (such as "a" or "the") or a possessive pronoun (such as "my" or "their"). Example of correct usage: "She felt sorry for the poor man begging on the street corner." Example of incorrect usage: "She felt sorry for poor man begging on the street corner."