"A father is rarely a good teacher; either he thinks he knows things and finds his knowledge to be very slight, or he knows but explains badly, or he is too severe and impatient because teaching bores him, or he is dangerously indulgent because he loves his children too much. It is from professional teachers who have made a success of the art that we must learn its rules. There can be no teaching without discipline. A pupil must first learn to work. Training of the will must precede that of the mind, and this is why home teaching is never very successful. Excuses are too easily accepted: the child has a headache; he has slept badly; there is a party somewhere. A school makes no compromise and that is its virtue. I am inclined to prefer the boarding-school system. It has some serious drawbacks; it sometimes produces immorality and it is always rather severe, but it makes men. The system forces boys to find their own places in a group; in a family they find these places ready-made and it is too easy for them. If absolutely necessary, and if the parents are judicious, day schools are satisfactory up to the age of fifteen or sixteen. For boys between the ages of seventeen and twenty, freedom in a large city is fatal."