Think that you are unsuitable and you are… Think that you are suitable and you will be…
From Tony Stark’s point of view, what he is doing is punching a wall, exactly as he would without the armor. Only much, much harder. But in reality the actual wall-breaking force is being supplied, not by Tony Stark’s muscles, but by a series of exquisitely synchronized servomechanisms powered by a compact beta particle generator.
A strong man doesn’t need to read his future. He makes his own.
Math is a science of not being wrong about things, its techniques and habits hammered out by centuries of hard work and argument. With the tools of mathematics in hand, you can understand the world in a deeper, sounder, and more meaningful way.
Measure twice, cut once.