The quote by Henry David Thoreau is saying we can look at everything thing around us but at the end the only thing that matters is what we choose to take in. To take in what matters does not have to be everything but only the most important to you.
If only more people understood how much power it takes to be gentle and kind. I believe there is SO much strength in the words nice, gentle, & kind. And pursuing these actions & ways of being is the greatest and most fulfilling challenge