It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.
Science is a journey, not a destination.
小人办事，处理的原则是私利，合于私利的就看作利，违背私利的就看作害；君子办事，衡量的标准是道义，合于道义的就看作利，违反道义的就看作害。
每个人在世界上都有一个位置要填补，并且在某些方面是重要的，无论他是否选择如此。
The challenges in our lives are there to strengthen our convictions. They are not there to run us over.