《旧唐书·列传·卷四十二》
才者未用，用者非才，这两种情况相比，十个中就有其五。
才者莫用，用者不才，二事相形，十有其五。
The talented ones have not been employed, and those who are employed do not have talent; these two types of situation, if compared, then five out of ten are like this.