by asking, which of them are so valuable you'd be prepared to do them even if they would introduce what isn't otherwise there, ? namely, the risk of death?

通过问自己，什么事如此有价值,以至于你准备好要去做,即便它们会带来如果不去做就不会有的，也就是，死亡的风险？

耶鲁公开课 - 死亡课程节选

Another situation where you would use the "you have to" pattern is when you express what you don't have to do.

另一种使用“you have to”句型的情况是要表达那些不需要做的事情。

have to 课堂 - SpeakingMax英语口语达人

From here, it's anyone's guess as to what Apple would do with the information, but you don't have to gaze beyond the 'Events' section in the company's own iPhoto application to get a few solid ideas.

ENGADGET: Apple patent details iOS journaling system, hints at extrapolated Events functionality

In a tolerably free society, you are allowed to do what is bad for you, and what others would rather you didn't, so long as you are harming only yourself.

ECONOMIST: Land of the smoke-free

What you shouldn't do is stay in one job and think about how different your life would be if you took another.

WSJ: Ask Ariely: Dan Ariely on Where to Eat Lunch and Work