Authors:

I believe there's no proverb but what is true; they are all so many sentences and maxims drawn from experience, the universal mother of sciences.

Miguel de Cervantes Saavedra (1993). “Don Quixote”, p.119, Wordsworth Editions
I believe there's no proverb but what is true; they are all so many sentences and maxims drawn from experience, the universal mother of sciences.