As he wrote on Twitter: "About half of my money is intended to help problems on Earth and the other half to build a self-sustaining city in Mars, to ensure the continuation of life (of all kinds) in the event that the Earth is hit by a meteorite such as dinosaurs or World War III occurs and we destroy ourselves."
Ngomcebo wakhe ongajwayelekile, uMusk uhlose "ukusiza ukusungula idolobha eliziphilisa nge-Mars ukuqinisekisa ukuqhubeka kokuphila (kwazo zonke izinhlobo zezinto eziphilayo) uma kwenzeka uMhlaba ushaywa yi-meteor efana nama-dinosaurs noma i-WW3 futhi sizilimaza thina."