"For having lived long, I have experienced many instances of being obliged, by better information or fuller consideration, to change opinions, even on important subjects, which I once thought right but found to be otherwise.
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"As we enjoy great advantages from the inventions of others, we should be glad of an opportunity to serve others by any invention of ours, and this we should do freely and generously.
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"‘It is said that a lady once admiringly asked Zukertort how many moves he could see ahead, and that he replied, “Madam, if the position is sufficiently simple, and I look a long time, I can sometimes see ‘one’ move ahead.”’
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--Zukertort, September 1914 American Chess Bulletin
"I only think one move ahead, but it is the right one
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