"Lord Yagyu said he did not know the way to defeat others, but he knew the way to gain victory over himself – it was to become better today than yesterday, and better tomorrow than today – working in this manner day by day, all one's life."
Yamamoto
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"Fast is fine. But accuracy is final."
Earp
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"To avoid losing a piece, many a person has lost the game."
Tartakower

"The great master places a knight at e5; checkmate follows by itself."
Tartakower

"The blunders are all there on the board, waiting to be made."
Tartakower

"It’s always better to sacrifice your opponent’s men."
Tartakower
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"There are two types of sacrifices: correct ones and mine."
Tal
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"All openings are sound below master level."
Lombardy
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"The most important feature of the chess position is the activity of the pieces."
Stean

"The primary constraint upon a piece’s activity is the pawn structure."
Stean
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