The new is threatening to those who have mastered the old.

The new is threatening to those who have mastered the old.

Simon Sinek

Quote authenticity

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2017 November 09	Origin: Tweet Link: https://twitter.com/simonsinek/status/223506739033669632 The new is threatening to those who have mastered the old. — Simon Sinek (@simonsinek) July 12, 2012	Image evidence

British/American author, motivational speaker and marketing consultant

October 9th, 1973