light at the end of the tunnel

light at the end of the tunnel (something which makes you believe that a difficult or unpleasant situation will end) — свет в конце туннеля / свет в конце тоннеля

see (the) light at the end of the tunnel — увидеть свет в конце туннеля

Example 1: We're halfway through our exams now, so we can see light at the end of the tunnel. (Cambridge Idioms Dictionary)

Example 2: At this point, there is no light at the end of the tunnel because we have to start over. (Cambridge Dictionary of American Idioms)

Example 3: Once I could see light at the end of the tunnel, writing the last part of the book wasn't so hard. (Cambridge Dictionary of American Idioms)

Example 4: Unemployment is still rising but analysts assure us there is light at the end of the tunnel. (Cambridge Idioms Dictionary)

Related vocabulary:
[лед тронулся]
сдвинуться с мертвой точки
the end of a difficult period or job

a glimmer of hope — лучик надежды, проблеск надежды

....I will admit there are glimmers of hope , but if we don't start acting like adults I'm afraid we're doomed to the decline and fall of American education and society.