Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
勇敢不是没有恐惧。勇敢是虽有恐惧，但能找到克服它的方法。
The advancement of mathematics is through the continuous questioning of established truths.
真相是一件美丽而可怕的事情，因此应该非常谨慎地对待。
过去是一团永不停止燃烧的火。