What is the idiom clearly implying "sacrifice short term, trifling objectives for long term goals!"

I would like to know the answer, preferably formal, for this question:

What is the idiom clearly implying:

sacrifice short term, trifling objectives for long term goals!

I would like to use it in TOEFL.

Further, what is the idiom that explicitly means:

it should be accepted without compromise, or indisputably

For instance, the idea for building a hospital in a particular zone should be agreed without any hesitation, it is preposterous to disagree with such beneficial, impeccable project.

Solution 1:

I believe you are referring to the concept of vision.

2 [MASS NOUN] The ability to think about or plan the future with imagination or wisdom:
the organization had lost its vision and direction

To illuminate:
The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.
Martin Luther King Jr.

References:
http://www.oxforddictionaries.com/definition/english/vision http://biography.yourdictionary.com/articles/martin-luther-kings-vision-change-world.html

Solution 2:

A very common idiom for "sacrific[ing] short term, trifling objectives for long term goals!" is delayed (or deferred) gratification:

...the ability to resist the temptation for an immediate reward and wait for a later reward. - wikipedia

In regard to "it should be accepted without compromise, or indisputably" a common idiom is no-brainer:

Something, especially a choice or decision, that is so obvious or easy as to require little or no thought. - the free dictionary

or alternatively, a must:

noun 12. something necessary, vital, or required: This law is a must. - dictionary.com

Solution 3:

Don't settle for second best.

second best

​ not as good as the best and therefore not wanted as much:

She refuses to settle for second best - she strives for perfection.

[CDO]

Solution 4:

Idiom implying the "sacrifice of short term, trifling objectives for long term goals": take the long view.

Idiom explicitly meaning "should be accepted without compromise, or indisputably": a given.