According to this, as I conceive the spirit of the Stoical ethics, their source lies in the question whether the great prerogative of man, reason, which, by means of planned action and its results, relieves life and its burdens so much, might not also be capable of freeing him at once, directly, i.e., through mere knowledge, completely, or nearly so, of the sorrows and miseries of every kind of which his life is full.
Horren arabera, nik etika estoikoaren espiritua atzeman dudanez, horren jatorria pentsamendu honetan datza: