Ví dụ công khai
["]Now, your son's case is really your case—you see it through the medium of your likings and dislikings—and insist upon forcing a square peg into a round hole, because in a round hole you, being a round peg, feel tight and comfortable. Now I call that irrational." / "I don't see why my son has any right to fancy himself a square peg," said the farmer, doggedly, "when his father, and his grandfather, and his great-grandfather, have been round pegs; and it is agin' nature for any creature not to take after its own kind.["]