Kauffman, Stuart. The Adjacent Possible: A Talk with Stuart Kauffman Seeding the Universe With Life Legacy Books, Washington D. C., 2000, ISBN 0-476-00330-X Walker, Martin G. LIFE! Why We Exist ... And What We Must Do to Survive Dog Ear Publishing, 2006, ISBN 1-59858-243-7 4. Munhu loyi a hundzukaka MuKreste, ufanele ku landzula vutomi bya khale bya vuoswi, vukhamba, makolo, vudakwa na swin’wana, hikuva lava endlaka swotano va ngaka va nga va nga dyi ndzhaka ya Xikwembu. Pholisi ya Maasaselo leyi nga kona sweswi, ya 23 N'wendzamhala 1998 (Gazete ya Mfumo 19640) ni pholisi ya Dyondzo ya Tindzimi ya 14 Mawuwani 1977, yi fanele ku hlayiwa xikan'we na kungu leri ra xitatimende, na swiphemu leswi faneleke swa Xitatimende xa Xiyenge xa Dyondzo xin'wana na xin'wana. Leswi vuriweke ro hetelela swi na swiletelo swa maasaselo, marhekhodelo, marhipotelo, kun'we na matirhiselo, na maavelo yo karhi, naswona swi kunguhatiwa ku va xiphemu xa Pholisi ya Maasaselo ya Rixaka.