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Substance is enduring, form is ephemeral. Failure to distinguish clearly between the two is ruinous. Success follows those adept at preserving the substance of the past by clothing it in the forms of the future. Preserve substance; modify form; know the difference.

"Dee Hock on Management" by M. Mitchell Waldrop, www.fastcompany.com. October 31, 1996.
Substance is enduring, form is ephemeral. Failure to distinguish clearly between the two is ruinous. Success follows those adept at preserving the substance of the past by clothing it in the forms of the future.