Every saint has a past, and every sinner has a future.
每个圣人都有过去,每个罪人都有未来。
Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.
Change happens by listening and then starting a dialogue with the people who are doing something you don’t believe is right.
文明的伟大进步,无论是在建筑、绘画、科学、文学、工业还是农业领域,都从未来自中央集权的政府。
真相是一种武器,像任何武器一样,它可以用于善或恶。
The most effective development interventions are often the simplest ones.