He tried letting go of the stick and the plane still flew forward. Then he got bolder and shook the cockpit with both hands, but the plane wasn't affected and still kept smoothly to its course. "I felt deeply the weakness of human strength and the insignificance of mankind." Every time he completed a mission, he felt as though he had successfully challenged the universe.
他試著放開操縱桿，飛機還是向前飛；接著他更大膽地將雙手向機艙兩側撐開搖晃，結果飛機根本「不為所動」，還是順著原來方式飛行，「這時我深深地感受到人力的微弱，與人類的渺小」，他說，然而，每完成一次飛行任務就像向宇宙挑戰成功。