In a rook and pawn ending, the rook must be used aggressively. It must either attack enemy pawns, or give active support to the advance of one of its own pawns to the queening square.
Siegbert TarraschI have always a slight feeling of pity for the man who has no knowledge of chess, just as I would pity the man who has remained ignorant of love.
Siegbert TarraschIf the defender is forced to give up the center, then every possible attack follows almost of itself.
Siegbert Tarrasch