When she was half a dozen years younger, Louisa had been overheard to begin a conversation with her brother one day, by saying ‘Tom, I wonder’—upon which Mr. Gradgrind, who was the person overhearing, stepped forth into the light and said, ‘Louisa, never wonder!’
Herein lay the spring of the mechanical art and mystery of educating the reason without stooping to the cultivation of the sentiments and affections. Never wonder. By means of addition, subtraction, multiplication, and division, settle everything somehow, and never wonder.