The speech is more than just a pious bit of optimism like a lot of the speeches, in fact, that the other brother has given us.

不同于戏中弟弟的很多演说,哥哥的这段话不是虔诚于贞操而盲目乐观。

耶鲁公开课 - 弥尔顿课程节选

Optimistic people, and again, not Pollyannaish detached optimism, but grounded optimists, on average, live significantly longer.

乐观的人，不是指盲目的乐天派，而是脚踏实地的乐观主义者，平均而言，明显更加长寿。

哈佛公开课 - 幸福课课程节选

We have to confess that it's more than that.

我们得承认这段话不是盲目的乐观。

耶鲁公开课 - 弥尔顿课程节选