“Chess is a matter of delicate judgement, knowing when to punch and how to duck.”
Bobby Fischer

“The passed Pawn is a criminal, who should be kept under lock and key. Mild measures, such as police surveillance, are not sufficient.”

Aron Nimzowitsch 

“To improve at chess you should in the first instance study the endgame.” 

Jose Raul Capablanca

“A good sacrifice is one that is not necessarily sound but leaves your opponent dazed and confused.”

Nigel Short 

”You sit at the board and suddenly your heart leaps. Your hand trembles to pick up the piece and move it. But what chess teaches you is that you must sit there calmly and think about whether it’s really a good idea and whether there are other, better ideas.”

Stanley Kubrick