Труднее всего отвечать на тот вопрос, ответ на который очевиден. Shaw (Шоу).
NO QUESTION IS SO DIFFICULT TO ANSWER AS THAT TO WHICH THE ANSWER IS OBVIOUS
Англо-русский перевод NO QUESTION IS SO DIFFICULT TO ANSWER AS THAT TO WHICH THE ANSWER IS OBVIOUS
English-Russian aphorisms, русские афоризмы. Англо-Русский словарь афоризмов, русские афоризмы. 2012