constant dropping wears away a stone
Success is earned through persistence and determination. My swing only got better after I started practicing it every day, so I guess it's true that constant dropping wears away a stone.
in a (constant) state of flux
Apt to change or fluctuate; prone to instability. A: "No, their wedding plans are in a constant state of flux." B: "Wow, I wonder if they'll actually make it down the aisle." Well, all of our vacation plans are in a state of flux now that Sheila's broken her ankle.
Constant dropping wears away a stone,
and Constant dripping wears away a stone.Prov. Persistence accomplishes things. Jill: How did you get Fred to give you a raise? Jane: I just kept asking him for it every week. Constant dropping wears away a stone.