We come nearest to the great when we are great in humility.
儿童教育是人类最重要的一个问题。
不要被紧迫性的专横牵着鼻子走,做事应该要基于对重要性的评估。
穷人并非不理性;他们和任何人一样理性,但他们在非常不同的约束下行动。
Sustainability is not just a buzzword; it's a responsibility we owe to future generations.