Churchill isn't simply praising independence here—he's describing a biological truth that applies to human resilience. A tree without competing neighbors for water and light has to develop deeper roots and a sturdier trunk, not out of virtue but out of necessity. The real wisdom lies in recognizing that isolation, far from being a mere hardship, can become the very condition that builds unshakeable strength. Think of the person who, having lost their social circle or moved to an unfamiliar place, discovers reserves of self-reliance they never knew existed—the apparent disadvantage becomes the forge.