实现不可能的唯一方法是相信它是可能的。
The only way to achieve the impossible is to believe it is possible.
History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.
Patience and perseverance are the keys to scientific discovery.
Understanding the real lives of the poor is the first step toward designing effective policies to help them.
There are no eternal facts, as there are no absolute truths.
Getting cheated occasionally is the small price for trusting the best of everyone, because when you trust the best in others, they generally treat you best.
Don’t tell me the moon is shining, show me the glint of light on broken glass.