To select well among old things is almost equal to inventing new ones. – Nicolas Charles Joseph Trublet
Nevertheless, a maxim does not necessarily become a proverb. Many grubs never grow to butterflies; and a maxim is only a proverb in its caterpillar stage—a candidate for a wider sphere and longer flight than most are destined to attain. – “Proverbs Secular and Sacred,” The North British Review, February 1858