Crossword-Solution: CERTIFIABLE 11 letters, 3 clues 🏆 scrabble score: 18

Rarely—in proportion to the vast numbers of Isosceles births—is a genuine and certifiable Equal-Sided Triangle produced from Isosceles parents.[1] Such a birth requires, as its antecedents, not only a series of carefully arranged intermarriages, but also a long-continued exercise of frugality and self-control on the part of the would-be ancestors of the coming Equilateral, and a patient, systematic, and continuous development of the Isosceles intellect through many generations.

Rarely--in proportion to the vast numbers of Isosceles births--is a genuine and certifiable Equal-Sided Triangle produced from Isosceles parents.

Are we to check the infant mortality rate among the feeble-minded and aid the unfortunate offspring to grow up, a menace to the civilized community even when not actually certifiable as mentally defective or not obviously imbecile? Other figures and studies indicate the close relationship between feeble-mindedness and the spread of venereal scourges.

Two courses, and two only, are open; either to pass over the mythes altogether, which is the way in which modern historians treat the old British fables, or else to give an account of them as mythes; to recognize and respect their specific nature, and to abstain from confounding them with ordinary and certifiable history.