Simon Sinek Quotes
The primary ingredient for progress is optimism. The unwavering belief that something can be better drives the human race forward.
Citations
Sinek, Simon. "The primary ingredient for progress is optimism. The unwavering belief that something can be better drives the human race forward." Twitter, 29 Nov. 2011, twitter.com/simonsinek/status/141549463954608129.
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Simon Oliver Sinek is a British-American author and inspirational speaker. He is the author of five books, including Start With Why (2009) and The Infinite Game (2019).