It would be interesting to use high temperatures - in the billions, which develop during atomic bomb explosions, for conducting synthetic reactions (for example, the formation of helium from hydrogen), which are the source of energy of stars and which could raise the energy liberated during the explosion of basic matter (uranium, bismuth, lead) even higher.

Quoted in The world of Andrei Sakharov: a Russian physicist's path to freedom (2005) By Gennadiĭ Efimovich Gorelik, Antonina W. Bouis, p. 134.