为政何患?患善恶不分。
晏子春秋
学习数学的最好方法就是做数学。
如果你想在数学上取得进步,你必须习惯于不舒服。
A government that fears its people is a government that has lost its legitimacy.
没有比遗忘更糟糕的独裁了。
I think that the function of art is to make life more interesting than art.