The defining factor [for success] is never resources; it’s resourcefulness.

Robbins contrasts external assets (money, connections, time, tools) with the internal capacity to improvise, adapt, and persist. The line argues that outcomes hinge less on what one possesses than on how creatively and tenaciously one uses whatever is available—reframing “lack of resources” as a solvable problem of strategy and mindset. In the broader self-help and performance-coaching tradition, it functions as an empowerment claim: agency is located in skills like problem-solving, learning, and resilience rather than in circumstances. It also implicitly critiques excuses rooted in scarcity, urging readers to cultivate ingenuity as a repeatable advantage.