perseverance prevails; patience wears the stone
Proverb meaning that even a cold stone will warm up if you sit on it for three years; encourages patient persistence.
They say perseverance prevails, so let's keep at it a little longer.
Similar proverb emphasizing that continuation itself becomes strength, while 石の上にも三年 focuses on enduring hardship patiently.
A traditional Japanese proverb. The exact origin is uncertain, but it reflects a common cultural value of patient endurance.