Yes, merely staying late to work every day won't lead to a breakthrough.
Being so absorbed in your work that you forget to stop working is a by-product of really enjoying your work and wanting to learn more. You can't force enjoyment of (or a breakthrough in) a subject just by slaving away for hours after the office closes.
Being so absorbed in your work that you forget to stop working is a by-product of really enjoying your work and wanting to learn more. You can't force enjoyment of (or a breakthrough in) a subject just by slaving away for hours after the office closes.