 Why was Ferris against testing the discovery made by himself and Mitchell on himself?
For the past seven years Macklin—who was the Advanced Studies Department of Firestone University—had been involved in devising a faster-than-light drive to help the Army reach Pluto and eventually the nearer stars. "He's always treated me like dirt," Ferris said heatedly. "Aspirins would still be used to reduce fever and relieve muscular pains," Mitchell said. "There are a number of different causes for headaches—nervous strain, fatigue, physical diseases from kidney complaints to tumors, over-indulgence—but there is one effect of all of this, the one real cause of headaches," Mitchell announced. Unless we can produce quick, conclusive and dramatic proof of our studies we can get no more financial backing.
 Because it was unethical.
 Because it was too dangerous.  Because it was unethical.  Because he had a headache.  Because they were underfunded.