If you have great talents, industry will improve them; if you have but moderate abilities, industry will supply their deficiency.
如果你很有天赋,勤勉会使其更加完美;如果你能力一般,勤勉会补足其缺陷。
the more glass you see ,the better your eye will be. No book can give you that kind of experiential knowledge.On the other hand, you can have the best eye in the world and misinterpret what you are seeing for lack of factual knowledge.