我必须真实，必须简单，否则我的心无法平安。

My heart cannot enjoy peace without being true and simple.

youdao

旅行社向旅游者提供的旅游服务信息必须真实可靠，不得作虚假宣传。

Tourist service information provided by travel agencies shall be authentic and reliable and no false advertising is allowed.

youdao

报道必须真实、准确，有了错误马上修正，遵循我们的报道原则，这都是非常关键的，不能打一点折扣，尤其是在一些重要的、复杂的报道中。

Reporting truthfully, reporting accurately, correcting errors, obeying our standards are all vital and can't be compromised, especially not in the heat of a major and complex story.

youdao

In order to compute using this formula you have to know the true probabilities.

使用这些公式之前,必须知道真实的概率值是多少

耶鲁公开课 - 金融市场课程节选

The trick--The question we're going to ask is, can we find some interpretation of that claim under which, first of all it ends up being true, secondly,it ends up being a necessary truth about death?

关键我们要问的问题是，我们能否能对这说法找到一个诠释，首先，这个诠释必须是真实的，第二，这是对死亡来说必要的真实？

耶鲁公开课 - 死亡课程节选

And at the same time,true.

同时，研究必须是真实的。

哈佛公开课 - 幸福课课程节选