[testing his rocket boots for the first time]
Tony Stark: Okay, let's do this right. Start mark, half a meter and to the right. Dummy, look alive, you're on standby for fire safety. You, roll it. Activate hand controls... okay, we're gonna start off nice and easy. See if 10% thrust capacity achieves lift. In three... two... one...
[He activates his rocket boots, which launch him right up into the ceiling, to crash back down. Dummy sprays him with extinguisher foam]