Summary
This quote suggests that individuals with small minds tend to focus on trivial matters and are easily burdened by worries. On the other hand, individuals with big minds, referring to those who are intellectually engaged or have expansive thinking, are consumed by important tasks or ideas and thus do not have the time or inclination to be preoccupied with worries. Overall, the quote emphasizes how one's mindset and interests can determine their capacity or inclination to worry.