Meditations by Marcus Aurelius Book 10 Page 38

Why then shouldest thou so earnestly either seek after these things, or fly from them, as though they should endure for ever? Yet a little while, and thine eyes will be closed up, and for him that carries thee to thy grave shall another mourn within a while after.

XXXV. A good eye must be good to see whatsoever is to be seen, and not green things only. For that is proper to sore eyes. So must a good ear, and a good smell be ready for whatsoever is either to be heard, or smelt: and a good stomach as indifferent to all kinds of food, as a millstone is, to whatsoever she was made for to grind. As ready therefore must a sound understanding be for whatsoever shall happen. But he that saith, O that my children might live! and, O that all men might commend me for whatsoever I do! is an eye that seeks after green things; or as teeth, after that which is tender.