The biggest challenge isn't the science - it's changing people's perceptions.

I write to make sense of my own existence.

If the people cannot trust their government to do the job for which it exists - to protect them and to promote their common welfare - all else is lost.

译文：结交朋友要始终如一，不要因为地位升降就中途分手。赏析：我们要结交知心朋友，不管我们的身份如何改变，对待朋友的态度都要矢志不渝。不能因为自己的名位高和钱财多就疏远朋友。

意识是一个连续的流动，而非一系列离散的元素。

当行动与言语一致时，信任就建立了。