[Isaac Asimov] is fluent, possessed of meticulous records and journals going back to the days of childhood, impressively organized in his thinking, and apparently tireless. This and more is all apparent at the surface of his massive two-volume autobiography [In Memory Yet Green and In Joy Still Felt], which we hope will someday be at least three. Nor is he a stranger to any F&SF reader. Nor, in fact, is it possible to believe that anyone with the slightest interest in SF, in science, or for that matter any portion of the universe of intellection, doesn't already have some depth of friendship with him.

That, I think, is the outstanding one of all of Asimov's qualities as a writer. He is the reader's friend. His concern for your clear understanding of his message, his fondness for you and his trust in your ability to make good use...