Constant dripping wears away the stone.

　　Feather by feather the goose is plucked.

　　Slow but sure wins the race.

　　A sheer strength of will.

　　eg：Be determined to stick it out as constant dripping wears away the stone.

　　同义词：持之以恒 Perseverance will prevail.

　　反义词：三天打鱼，两天晒网 By fits and starts.