政治制度的力量在于其适应不断变化的环境并吸收新思想和实践的能力。
The strength of a political system lies in its ability to adapt to changing circumstances and to incorporate new ideas and practices.
你看，在生活中，很多人知道该做什么，但很少有人真正去做他们知道的事。知道是不够的！你必须采取行动。
The power of economics lies in its ability to reveal hidden truths about how the world works.
作品不是物体，而是行动。
"The beauty of books is that they can take you anywhere."