A master of spontaneous oratory, Asimov could hold forth on almost any subject with brilliant lucidity — as in his much - cited off - the - cuff description of how human life depends on the Sun :' All of us are living in the light and warmth of a huge hydrogen bomb , 860,000 miles across and 93 million miles away, which is in a state of continuous explosion . '
A master of spontaneous oratory, Asimov could hold forth on almost any subject with brilliant lucidity — as in his much - cited out from under the cuff of a sleeve description of how human life depends on the Sun :' All of us are living in the light and warmth of a huge hydrogen bomb , 860,000 miles across and 93 million miles away, which is in a state of continuous explosion . '