Quote by Enrico Fermi
"Hope is not the same as optimism. It is based on very hard-headed analysis of the current situation and available resources."
"Hope is not the same as optimism. It is based on very hard-headed analysis of the current situation and available resources."
"Where are they?"
"The effort to build a space-faring civilization, that's worth doing."
"Whatever the ups and downs of the details which we learn or unlearn, the speak of science only increases."
"I think it is good merely to emphasize again that, in physics, you don't have to go around making trouble for yourself—nature does it for you."