Die Exzellenz
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Cal Newport's 2016 bestselling book 'Deep Work: Rules for Focused Success in a Distracted World' that defined deep work as professional activities performed in distraction-free concentration that push cognitive capabilities to their limit.

Brian Tracy's original 2001 publication of 'Eat That Frog! 21 Great Ways to Stop Procrastinating and Get More Done in Less Time,' which popularized Mark Twain's frog metaphor and sold over 450,000 copies in 23 languages.