Newton used his great skill in mathematics to form a better understanding of the world and the universe.

VOA: special.2011.06.01

Writing a good philosophy paper is a skill and you can get better at it.

写一篇好哲学论文是一种你能提高的技能。

耶鲁公开课 - 死亡课程节选

So, like anything else, it's a skill that gets better with practice.

所以，正如其他的，这个技巧在练习中会进步。

耶鲁公开课 - 死亡课程节选