Weekly Wisdom Newsletter #21

Published Date: Sunday March 17, 2019


Here are this week's chosen learning points:

  1. Teeth brushing tip: After brushing your teeth, don't rinse rigorously with water. Instead, rinse with mouthwash or a little bit of water to retain more of the helpful fluoride on the teeth. (Source)

  2. Exponential Scale: Many people don't grasp the huge difference between a million and a billion. A million seconds is 11.6 days. A billion seconds is 31.7 years!

  3. Credibility Formula: Credibility = Proven Competence + Relationships + Integrity (Source)


Here are this week's recommended actions:

  1. If you used to rinse rigorously after brushing your teeth, try using mouthwash instead or just a little bit of water.

  2. If you are assessing someone's credibility on a matter, use the formula above.


If you think someone else would find this newsletter useful, please forward it to them. Thanks, and have a wonderful week ahead!

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