The strength of a nation's institutions is not just in their formal rules, but in the informal norms that govern behavior and the degree to which they are internalized by the population.

Our descendants will achieve thins that will amaze us, yet a portion of what they will create could have been made with today’s materials and tools if we had had the imagination. Think bigger.

The world breaks everyone, and afterward, many are strong at the broken places.

Hope is not an emotion, but a choice.

借助显微镜，没有什么小到能逃过我们的探究；因此，一个新的可见世界被揭示给了我们的理解。

Now,let me dispel a few rumours so they don't fester into facts.