'Tis a maxim with me to be young as long as one can: there is nothing can pay one for that invaluable ignorance which is the companion of youth; those sanguine groundless hopes, and that lively vanity, which make all the happiness of life. To my extreme mortification I grow wiser every day.
Lady Mary Wortley Montagu (1690 - 1762)
Source: The Complete Letters of Lady Mary Wortley Montagu