Happiness is not a point of future and not a moment from the past, but a mindset that can be designed into the present.

幸福不是未来的某个节点，也不是过去的某个时刻，而是能够融入到当下的一种心境。

youdao

'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect.

I have eaten是动词eat的现在完成时；I had eaten是过去完成时；I will have eaten是将来完成时。

《牛津词典》

I want to tell you about the past, present and future of the human population. So let's start with a few problems.

我想告诉你们有关人口数量的过去、现在和未来。那么让我们从一些问题入手。

youdao

Or patients might be advised to think less about the past and more about the present and the future.

VOA: special.2010.04.13

Israel's past and present and future generations form a collective entity, Israel, that collectively assents to the covenant.

犹太人的过去，现在，未来形成了一个共同的存在，全体犹太人都赞成这个契约。

耶鲁公开课 - 旧约导论课程节选

My father was a veteran of the Korean War, and it really represents the future and the past and present."

VOA: special.2009.11.14

Today, brass bands still invigorate the streets during Mardi Gras, French Quarter jazz clubs deliver the best in live improvisation on any given night, and the Jazz and Heritage Festival brings together the past, present and future of American jazz every spring, proving year after year that New Orleans is still the jazz mecca of the world.

BBC: The birthplace of jazz

We believe that the only way that our people can prosper is by cooperation and mutual respect to each other's past, present and future aspirations.

CNN: Iranians, Syrians share common cause

Culture is a basic need, and cultural heritage a symbolic necessity that gives meaning to human lives connecting past, present and future.

UNESCO: UK National Commission for UNESCO :: International Committee of the Blue Shield expresses sorrow and solidarity with Haiti