GROUCHO: "Why do you have so many children? That's a big responsibility and a big burden."

MRS. STORY: "Well, because I love my children and I think that's our purpose here on Earth, and I love my husband."

GROUCHO: "I love my cigar, too, but I take it out of my mouth once in a while."

http://www.snopes.com/radiotv/tv/groucho.htm