मानुषं नयापनयौ दैवमयानयौ ॥ कZ_०६.२.०६ ॥
mānuṣaṃ nayāpanayau daivamayānayau
Os fatores humanos são a boa política e a má política; o destino consiste no acaso favorável e no acaso desfavorável.
Separate what is controllable (policy quality) from what is uncontrollable (chance), so responsibility is assigned correctly and planning becomes realistic.