《旧唐书·列传·卷一百二十二》
近来，因为太子傅这样崇高的职位，适于授给国老耆旧，想让他悠闲安逸的供职以保育元气颐养天年。
近以师傅之崇，畴于旧德，俾从优逸，冀保养颐。
Recently, because of the lofty position of the prince's tutor, it is suitable to grant it to the elders of the country. I want him to be leisurely and comfortable in his job so as to protect his vitality and enjoy his old age.