We begin Lent by remembering we are mortal. We place ashes on our head and sit for a few moments contemplating the inevitability of our deaths. But that is not all we are. We are made out of stardust and we have stood on the moon. We have created nuclear weapons and nuclear medicine. We have immense intelligence but also immense hubris that masks our ignorance. We are powerful. Here is how immense our knowledge of the universe was 40 years ago.
With all this power, what will you do?