Harold Urey Quotes
Life is not a miracle. It is a natural phenomenon, and can be expected to appear whenever there is a planet whose conditions duplicate those of the earth.
![Harold Urey Quotes: "[My study of the universe] leaves little doubt that life has occurred on other planets. I doubt if the human race is the most intelligent form of life."](https://www.quoteslyfe.com/images/collection3/quotations169/My-study-of-the-universe-leaves-little-169918.jpg)
[My study of the universe] leaves little doubt that life has occurred on other planets. I doubt if the human race is the most intelligent form of life.
![Harold Urey Quotes: "[Pure research] is worth every penny it costs."](https://www.quoteslyfe.com/images/collection3/quotations176/Pure-research-is-worth-every-penny-it-176298.jpg)
Above all, I regret that scientific experiments-some of them mine-should have produced such a terrible weapon as the hydrogen bomb. Regret, with all my soul, but not guilt.
Life is not a miracle. It is a natural phenomenon, and can be expected to appear whenever there is a planet whose conditions duplicate those of the
