It means: only after experiencing hardships and setbacks can you show a brave and determined character; Only after experiencing difficulties and obstacles can we polish it into a jade-like instrument and show extraordinary beauty. Full sentence: Only when it is difficult can we be brave; Only its dedication is precious; Only by tempering can we achieve.

Will is mainly manifested through people's consciousness and initiative, which is manifested as people's initiative to change reality, and plays a controlling and regulating role in initiating, persisting, restraining and changing behaviors (including external behaviors and internal psychological states).

Extended data

Only when it is difficult is it brave, and only when it is honed is it when Yucheng proves the importance of the will process:

At this stage, the will must first solve the problem of inspiring struggle, then determine the action goal, choose effective strategies, methods and means to achieve the goal, and make a feasible action plan.

The process of implementing the will action plan. At this stage, we should unswervingly implement the action plan, strive to overcome various subjective and objective difficulties and realize the action plan.