Faced with the choice between changing one's mind and proving that there is no need to do so, almost everyone gets busy on the proof.
“If the guidance failed or started to stray or went somewhere we didn't like or the ground didn't like, I could flip a switch, and I could control seven, over seven and a half million pounds of thrust with this handle and fly the thing to the Moon myself.”
“So when I had to make a decision whether I would like to do honors degree course in Islamic studies and Malay studies too, so I thought Islamic studies would be good.”