Knockin’ on heaven’s door
Hockey great Wayne Gretzky is famous for stating the same principle: “You miss 100 percent of the shots you don’t take.” His words live on in syndication as a bland, genericized endorsement of “action.”
In Arabic the proverb rhymes (i.e. man yadiq al-bāb yasmaʿ al-jawāb), and that may be the best that can be said for it.