Knowledge has to be improved, challenged, and increased constantly, or it vanishes.

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Knowledge has to be improved, challenged, and increased constantly, or it vanishes.

Attributed to:
Peter Drucker

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Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Knowledge has to be improved, challenged, and increased constantly, or it vanishes.

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