政治制度的衰败往往是由于无法适应变化的环境，导致僵化和最终的衰落。
The decay of political institutions is often a result of the inability to adapt to changing circumstances, leading to rigidity and eventual decline.
The power of quantum computing comes from the ability to manipulate quantum states in ways that classical computers cannot.
"I've always been a fighter, and I'll always be one."
The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.