不平等并非不可避免，它是政策选择的结果。

Sustainability is not just a goal, it's a responsibility we owe to the future.

"The past is always present in our lives, shaping who we are and how we see the world."

The greatest economic transformations often begin with small, deliberate steps.

The power of abstraction is that it allows us to ignore details that are not relevant to the task at hand.

Change starts with a decision, but it's sustained by action.