There is no tempering. Only through constant efforts and practice can we achieve greater success and achievement. This is an inspirational saying, which means that only through constant efforts and practice can we achieve greater success and achievement. It expresses the view that success requires hard work and constant tempering, and emphasizes that behind success is constant persistence and hard work, not overnight. This sentence also reminds people to have patience and perseverance, don't give up easily, only perseverance can achieve success.