正如古话所说，英语翻译是：As the old saying goes。
正如格言所说，英语翻译是：As the proverb says。
详细解释：
old saying 英[?uld ?se?] 美[old ?se]
[词典] 古话；老话;
[例句]We also realize the truth of that old saying: Charity begins at home.
我们也明白了那句老话的道理：仁爱始于家庭。
proverb 英[?pr?v?:b] 美[?prɑ:v?:rb]
n. 谚语，格言; 话柄，笑柄; 人人知道的事情，有名的事情; 俚谚剧，俚谚游戏;
[例句]An old Arab proverb says, 'The enemy of my enemy is my friend'.
一句古老的阿拉伯谚语说，“敌人的敌人是朋友。”
say 英[se?] 美[se]
vi. 说， 讲; 表明，宣称; 假设; 约莫;
vt. 表明; 念; 说明; 比方说;
n. 发言权; 说话; 要说的话; 发言权;
[例句]I would just like to say that this is the most hypocritical thing I have ever heard in my life.
我只想说这是我这辈子听说过的最虚伪的事情。