
Why Focus Wins — Brian Balfour

Returns to concentration arise when focusing efforts on fewer, or more limited, objectives generates larger payoffs.
Richard Rumelt • Good Strategy/Bad Strategy: The difference and why it matters
Focus is not inconsistent with intellectual honesty. It does not mean ignoring feedback. It simply means that your bets are well selected and that your conviction to find a way to make something work is high enough to overcome the inevitable hurdles of building a company, product or investment portfolio.