Delay is itself a decision.

Theodore "Ted" Sorensen (1928-2010) American lawyer, writer, presidential adviser, speechwriter

Decision-Making in the White House: The Olive Branch or the Arrows, ch. 3 (1963)
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Full quote: "In the White House, the future rapidly becomes the past, and delay is itself a decision." Earlier in the chapter, he writes, "Some will counsel speed; others will counsel delay -- yet even delay will constitute a decision."