《资治通鉴·梁纪·梁纪五》
崔亮回信说： 你所说的的确有深刻的道理，但是我前不久采取的那种办法，也有它的道理，古今不同，时机合适时便应当加以变革。
亮复书曰： 汝所言乃有深致。吾昨为此格，有由而然。古今不同，时宜须异。
Cui Liang replied, "Your words are profound, but the method that I have adopted recently is also based on certain principles. The times have changed, and we must adapt.