I can live with doubt, and uncertainty, and not knowing. I think it's much more interesting to live not knowing than to have answers which might be wrong. I have approximate answers, and possible beliefs, and different degrees of certainty about different things, but I'm not absolutely sure of anything, and in many things I don't know anything about, such as whether it means anything to ask why we're here, and what the question might mean. I might think about a little, but if I can't figure it out, then I go to something else. But I don't have to know an answer. I don't feel frightened by not knowing things, by being lost in a mysterious universe without having any purpose, which is the way it really is, as far as I can tell, possibly. It doesn't frighten me.

The fact that you are not sure means that it is possible that there is another way someday.

Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.

Looking back at the worst times, it always seems that they were times in which there were people who believed with absolute faith and absolute dogmatism in som…

I don't know what God is, or what God had in mind when the universe was set in motion. In fact, I don't know if God even exists, although I confess that I some…

Life was meant to be lived, and curiosity must be kept alive. One must never, for whatever reason, turn his back on life.

But often, in the world's most crowded streets, But often, in the din of strife, There rises an unspeakable desire After the knowledge of our buried life; A th…