In the following essay, Adler discusses Sagan's unshakable faith in science over religion even in the face of fatal illness.

In the following review, Ackland offers praise for A Path Where No Man Thought.

In the following essay, Gould praises Sagan's contribution to the popular presentation of science.

In the following review, Robock offers praise for A Path Where No Man Thought.

What can you say about a young civilization inhabiting the third planet of an ordinary G2 star found out in the sparse suburbs of the galaxy? What pictures would you show to wholly alien eyes, and what music would you play for alien ears? How would you go about packaging all this information so that it will last for millions of years? These were the tasks facing a small group of persons with limited time and an even more limited budget when the opportunity arose to include something more than a plaque aboar...

As a speculative skeptic, a lucid popularizer of science, and a belles-lettrist eager to bridge the gap between the humanities and science, Sagan stands as the latest practitioner in an illustrious tradition which, because it is fundamentally British, remains too little known among American readers. His forebears include Thomas Henry Huxley, Alfred North Whitehead, Bertrand Russell, James Jeans, Arthur Stanley Eddington, Julian Huxley, J. B. S. Haldane, and Fred Hoyle. All shared the view that science was a...

Carl has a keen sense of humor, an incisive intelligence. He's just as intelligent in his speaking as he is in his writing…. I've learned a great deal from his articles. I like to think I have read just about everything he has written. Virtually everything I know about the possibility of extraterrestrial life was inspired by his writings on the subject. On that question our minds have the same set. I find it very easy to agree with Carl.