And if you believe in liberty, you'd better understand there are multiple ways to achieve liberty.

如果崇尚自由，最好要明白有很多方法,可以获得自由。

普林斯顿公开课 - 国际座谈会课程节选

There are defense mechanisms, there are biological instincts, neurosis-- and if you understand these very often dark forces, were better able to deal with life: understand as well as improve the quality of life.

还有防卫机制，人类本能论，神经症-,如果你理解这些黑暗势力，就能更好地处理生活：,了解并改善生活质量。

哈佛公开课 - 幸福课课程节选