“尚古”与“出新”是矛盾的统一体,既互为依存,又彼此对立。没有“尚古”就没有“出新”,而“出新”后必反对“尚古”。它们既包括一个时代对另一个时代而言的艺术特征,又包括个体的立于某一时代的艺术特征。以前者看,“尚古”与“出新”在彼此依赖与对立中交替往复曲折前进, “Old ancient” and “new” is a contradictory unity, both interdependent, but also against each other. Without “ancient” there is no “new”, and “new” will oppose “ancient”. They include both the artistic characteristics of one era and the other, as well as the artistic characteristics of the individual in a certain era. The former view, “ancient” and “new” in the mutual dependence and opposition alternately twists and turns forward,