The wise man is wise in vain who cannot be wise to his own advantage. [Lat., Nequicquam sapere sapientem, qui ipse sibi prodesse non quiret.] — Quintus Ennius Copy Share Image
![“The wise man is wise in vain who cannot be wise to his own advantage. [Lat., Nequicquam sapere sapientem, qui ipse sibi prodesse non quiret.]” quote by Quintus Ennius](https://sms4smile.com/quotes/img-quotes/a35/quintus-ennius-20214_advantage_the-wise-man-is-wise-in-vain-who-cannot_1375032.jpg)