我不必完美。我只需要尽我所能。

Joy is the emotion which accompanies the fulfillment of our natures when we have lived up to our potential.

可信因果推断的关键不仅是方法，还有方法与当前问题的契合度。

You are stronger than you think.

我不害怕跌倒，因为我知道我会再次站起来。