Experimental confirmation of a prediction is merely a measurement. An experiment disproving a prediction is a discovery.
Enrico FermiWhen asked what he meant by a miracle: Oh, anything with a probability of less than 20%.
Enrico FermiWhere is everybody? Humans could theoretically colonize the galaxy in a million years or so, and if they could, astronauts from older civilizations could do the same. So why haven't they come to Earth?
Enrico FermiOne might be led to question whether the scientists acted wisely in presenting the statesmen of the world with this appalling problem. Actually there was no choice. Once basic knowledge is acquired, any attempt at preventing its fruition would be as futile as hoping to stop the earth from revolving around the sun.
Enrico Fermi