Smile is a respect to others, also the life. It is same to all the people, without any purpose, either boss or doorman.

微笑没有目的，无论是对上司，还是对门卫，那笑容都是一样，微笑是对他人的尊重，同时是对生活的尊重。

youdao

So with that said, perhaps just to add to that, the fourth passage: "Beauty is the form of the purposiveness of an object so far as it is perceived in it without any representation of a purpose."

所以据上所述，啊，再加一点，现在看，第四篇文章：，“美是事物存在的目的,尽管这种合目的性并不是显而易见的，你可能要问了“

耶鲁公开课 - 文学理论导论课程节选

Since the end of the Apollo missions, the manned programme has drifted without any purpose to guide it.

ECONOMIST: The recent past

For all the fears a couple years ago that the Web would isolate people, enabling them to talk only to people with the same tastes and prejudices as themselves, the countervailing force--wandering from site to site without any real purpose but curiosity--seems even stronger.

FORBES: Opportunity Knocking

First, unlike other retirement accounts, you can access your contributions at any time and for any purpose without income or penalty taxes applied.

FORBES: 7 Steps For Millennials To Gain Control Over Their Financial Futures