It is a maxim universally agreed upon in agriculture, that nothing must be done too late; and again, that everything must be done at its proper season; while there is a third precept which reminds us that opportunities lost can never be regained.
It was a custom with Apelles, to which he most tenaciously adhered, never to let any day pass, however busy he might be, without exercising himself by tracing some outline or other,—a practice which has now passed into a proverb.4 It was also a practice with him, when he had completed a work, to exhibit it to the view of the passers-by in his studio, while he himself, concealed behind the picture, would listen to the criticisms…. Under these circumstances, they say that he was censured by a shoemaker for having represented the shoes with one latchet too few. The next day, the shoemaker, quite proud at seeing the former error corrected, thanks
