Από το ODE:
high road
noun
1 A main road: [in place names]: Kilburn High Road
1.1 A direct or certain route or course: the high road to social justice
Virtually all schools of Buddhism see meditation as the high road to enlightenment, and it constitutes a major part of the ‘experiential’ dimension of Buddhism as a religion.
Learning to accept the flaws in themselves and others is not the pathway to mediocrity; it's the high road to a more loving - and satisfying - life.
Take away those rights and ‘freedom of expression’ becomes an empty phrase and we are on the high road to totalitarianism.
1.2 North American A morally superior approach towards something:
the company took the high road, announcing it would extend the benefits to all its workers
But in the absence of any evidence, he took the high road and conceded the race.
I thought that in light of his juvenile hysterics, I was taking the high road by simply leaving him in silence, never to speak to him again, but now I have an overwhelming urge to tell him what I really think of him.
She always took the high road and never compromised her integrity.
low road (US English)
noun
informal A behavior or approach that is unscrupulous or immoral.
As I have said in past blogs, the Democrats think they can get away with taking the low road because they are confident that the press and their core constituencies won't object.
See, the good news is when we do the right thing - as opposed to taking the low road, when we do the right thing, we do the ethical thing, it benefits us in the long run.
In foreign policy, its hard to claim the moral high road when you're stumbling down the low road arm-in-arm with repressive dictators.