《贞观政要·卷四·规谏太子》
从表面看，殿下已有如此多的过失；何况朝中隐秘的大事，可能已经不可胜数了。
在外瞻仰，已有此失；居中隐密，宁可胜计哉！
On the surface, Your Highness has already made so many mistakes; what is more, the great hidden matters in the court may already be innumerable.