"Good breeding consists in concealing how much..." - Quote by Mark Twain

“The human race consists of the damned and the ought-to-be damned.”

“Every inventor is a crackpot until his idea succeeds.”

“War talk by men who have been in a war is always interesting; whereas moon talk by a poet who has not been in the moon is likely to be dull.”

“Mind your P's and Q's.”

“When a gentlemen is disposed to swear, it is not for any standers-by to curtail his oaths.”

“A true gentleman is one who is never intentionally rude.”

“Visit your Aunt, but not every Day; and call at your Brother's, but not every night.”

“A man . . . must have a very good opinion of himself when he asks people to leave their own fireside, and encounter such a day as this, for the sake of coming to see him. He must think himself a most agreeable fellow.”

“It is your turn to say something now, Mr. Darcy. I talked about the dance, and you ought to make some kind of remark on the size of the room, or the number of couples.”