In traditional Chinese culture, great importance is attached to the fine character of diligence and courage. For example, "be diligent in the state, be frugal in the family", "the way of heaven reward

In traditional Chinese culture, great importance is attached to the fine character of diligence and courage. For example, "be diligent in the state, be frugal in the family", "the way of heaven rewards diligence", "the brave will not be afraid", "courage", "the brave", "the courage", "the courage", "the courage", "the courage", "the courage" and "the courage".

C

This question is about traditional culture. Traditional Chinese culture attaches great importance to the good character of hard work and bravery, which means that hard work and bravery are often closely linked, hard work and bravery have laid the foundation of the Chinese nation's impregnable foundation, ① ③ is consistent with the meaning of the question.