If you have a beating heart, that's good enough.

Science reserves the highest reward for those of you who disprove our most cherished beliefs. At any moment someone from any walk of life could come forward and be responsible for a complete revision of our view of everything.

No single step in the persuit of enlightenment should ever be considered sacred; only the search was.

A lot of people have this ego need that makes them want to believe that Earth is the center of the universe and humans are the most important species, the supreme expression of creation.

It is a great tragedy that science, this wonderful process for finding out what is true, has ceded the spiritual uplift of its central revelations: the vastness of the universe, the immensity of time, the relatedness of all life, and life's preciousness on our tiny planet.

If you have a beating heart, that's good enough.

The greatest thing that science teaches you is the law of unintended consequences.