Quoting historian Arnold Toynbee, Richard Leakey writes: “This spiritual endowment of [man] condemns him to a lifelong struggle to reconcile himself with the universe into which he has been born. ”
Tsiteerides ajaloolast Arnold Toynbeed, kirjutab Richard Leakey: ” See [inimese] vaimuand mõistab ta eluks ajaks heitlema ja otsima oma kohta universumis, kuhu ta on sündinud. ”