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 AlekhineYou can become a big master in chess only if you see your mistakes and short-comings. Exactly the same as in life itself.
Alexander AlekhineNever before and never since have I seen - and I cannot even imagine, such an amazing rapidity of chess thinking that Capablanca possessed in 1913-14. In blitz games he gave all the St. Petersburg players odds of five minutes to one - and he won.
Alexander Alekhine