Quotations wanted (Vol. vii., p. 40.).—Bacon, in his Essay "Of Studies," has this sentence:
"And if he read little, he had need have much cunning, to seem to know that he doth not."
which is perhaps the reference Miss Edgeworth intended.
"A world without a sun," is from Campbell's Pleasures of Hope, Part II. line 24.:
"And say, without our hopes, without our fears,
Without the home that plighted love endears,
Without the smile from partial beauty won,
Oh! what were man?—a world without a sun."
I beg to add a parallel from Burns:
"What is life, when wanting love?