Gentleman
(1) : a man who combines gentle birth or rank with chivalrous qualities (2) : a man whose conduct conforms to a high standard of propriety or correct behavior
(2 : a man of independent means who does not engage in any occupation or profession for gain (2) : a man who does not engage in a menial occupation or in manual labor for gain

“A gentleman is one who never hurts anyone's feelings unintentionally.”

“A gentleman is one who puts more into the world than he takes out.”

“A true gentleman is one who is never unintentionally rude”

“Courtesy is as much a mark of a gentleman as courage.”

“A gentleman would be ashamed should his deeds not match his words.”

“This is the final test of a gentleman: his respect for those who can be of no possible service to him”

“Education begins the gentleman, but reading, good company and reflection must finish him.”

“A gentleman is man who can disagree without being disagreeable.”