Quote by Enrico Fermi
"The truth is that it is impossible to prove that something has not happened."
"The truth is that it is impossible to prove that something has not happened."
"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."