滴水石穿

dripping water penetrates the stone (idiom); constant perseverance yields success; You can achieve your aim if you try hard without giving up.

dripping water penetrates the stone (idiom); constant perseverance yields success; You can achieve your aim if you try hard without giving up.

continuous and patient effort (idiom)

to chip away at a task and not abandon it (idiom); to chisel away at sth; to persevere

to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task; to study diligently

effort will undoubtedly lead to success (idiom)