_:vb6942257 "1917, Richard M. Gummere translating Seneca as Ad Lucilium Epistulae Morales, Loeb Classical Library, Vol. I, No. 3:"@en . _:vb6942257 "...if you consider any man a friend whom you do not trust as you trust yourself, you are mightily mistaken and you do not sufficiently understand what true friendship means."@en .