It's definitely a practice you have to do constantly and consistently.

这是必须要进行的练习,要坚持不懈，持之以恒。

普林斯顿公开课 - 人性课程节选

It's something you can keep working on, that I need to keep working on, even Professor Raboteau needs to keep working on.

大家必须做到持之以恒，这也是我所追求的，甚至Raboteau教授也是一样。

普林斯顿公开课 - 人性课程节选