The path to a sustainable energy future requires a balanced approach that considers economic, environmental, and social factors.
The past is never truly gone; it lives in us, shaping who we are.
"You can't be a great leader without great people."
永远不要把一次失败和最终的失败混为一谈。
在不确定的时代，灵活性比长期计划更重要。
Understanding the real lives of the poor is the first step toward designing effective policies to help them.