I think that for the highest achievements nowadays... need to have the stable as a rock scientific base. And also need to own modesty.
Alexander AlekhineThe infallible criterion by which to distinguish the true from the would-be strategist is the degree of originality of his conceptions. It makes little difference whether this originality is carried to excess, as was the case with Steinitz and Nimzowitsch.
Alexander AlekhineDuring a Chess competition a Chessmaster should be a combination of a beast of prey and a monk
Alexander Alekhine