知足之人，虽卧地上，犹为安乐；
不知足者，虽处天堂，亦不称意。

– 释迦牟尼佛
《佛遗教经》

Those who know contentment,
although lying on the ground,
nevertheless have peace and bliss.

Those who not know contentment,
although in heavens,
also will not be satisfied.

– Sakyamuni Buddha
(Sutra On The Buddha’s Bequeathed Teachings)