What is it to be a gentleman? Is it to be honest, to be...

What is it to be a gentleman? Is it to be honest, to be gentle, to be generous, to be brave, to be wise, and, possessing all these qualities, to exercise them in the most graceful outward manner? Ought a gentleman to be a loyal son, a true husband, an honest father? Ought his life to be decent, his bills to be paid, his taste to be high and elegant, his aims in life lofty and noble?