There is here no need of throwing out "extreme cases." Far from that, it is precisely in the extreme cases that the power and beauty of the magic eyeglass is most apparent and most marvellous. Let me take back the word "magic," though; for the reasonableness of it is just its crowning charm.

In: A.G. Sedgwick, The 19th Century: A Review of Progress During the Past One Hundred, Years in the Chief Departments of Human Activity, The Century's Great Men in Science (p. 317)