Jury instructions are so numerous and complex, it's a wonder jurors ever wade through them. And so it should come as no surprise that they can sometimes get stuck along the way. The instruction on circumstantial evidence is confusing even to lawyers. And reasonable doubt? That's the hardest, most elusive one of all.
Whatever may be the merits of a religious system, its effects upon the mass of mankind must depend in an important degree upon its teachers. All instruction and all truth, except simple mathematical truth, is modified by the medium through which it is conveyed.
Learning certain things purely through memory is related to the developmental forces that are present between the sixth or seventh year and the fourteenth year of life. This quality of human nature is what mathematical instruction should be based on.