Derek Crager

“Sure enough, all the sciences that study tribes, bands, and villages have approximated ancient groups usually maxed out around 150 people. This is the approximate upper limit to how many people you can trust and count on for favors, whom you can call up and have a conversation with. Once you go over 150 people, Dunbar says about 42 percent of the group’s time would have to be spent worrying about one another’s relationships.”
― David McRaney, You Are Not So Smart: Why You Have Too Many Friends on Facebook, Why Your Memory Is Mostly Fiction, and 46 Other Ways You're Deluding Yourself

“The worst thing that could happen is that we hold back and play tentative because we “fear” disappointment. If we cannot accept the possibility we might fail, we most certainly are not prepared to succeed.”
― Mike Margolies, The Athlete Within You- A Mental Approach to Sports and Business

“When our thinking drifts into the past or future we cultivate fear, anxiety, and all sorts of emotions that can diminish our ability to be our best”
― Mike Margolies, The Athlete Within You- A Mental Approach to Sports and Business

“Dunbar’s Number THE MISCONCEPTION: There is a Rolodex in your mind with the names and faces of everyone you’ve ever known. THE TRUTH: You can maintain relationships and keep up with only around 150 people at once.”
― David McRaney, You Are Not So Smart: Why You Have Too Many Friends on Facebook, Why Your Memory Is Mostly Fiction, and 46 Other Ways You're Deluding Yourself