Democritus maintains that there can be no great poet without a spite of madness.
Marcus Tullius CiceroA mind without instruction can no more bear fruit than can a field, however fertile, without cultivation.
Marcus Tullius CiceroThus nature has no love for solitude, and always leans, as it were, on some support; and the sweetest support is found in the most intimate friendship.
Marcus Tullius Cicero