With accent marks:
Доро́гу оси́лит иду́щий.
The one who walks will go through.
This proverb means: the one who acts will overcome all obstacles.
This is an old expression that is also quoted in Latin: viam supervadet vadens.
Other Russian proverbs
The further into the forest, the more firewood is there.
Fear has big eyes.
You are greeted by your clothes but bid farewell by your mind.
You can't help grief with tears.
Water does not flow under a lying stone.
The best is the enemy of the good.
The morning is wiser than the evening.
Each sandpiper praises its swamp.