《论语·为政篇》
把这孝悌的道理施于政事，也就是参与政事了，你以为要怎样才能算是参与政事呢？ 
施于有政，是亦为政，奚其为为政？ 
By applying the principles of filial piety and brotherly love to politics, one is already participating in politics. What do you think it means to participate in politics?