Invoke no other god besides Allah. There is no god but Him. Everything is perishable except Him. To him belongs the judgement and to him will you all be returned
[Surah Qasas: 88]


The Prophet sallallaahu alayhi wasallam was not a poet but he said,
The truest words (ever) uttered by a poet is the saying of Labid: Behold! Everything besides Allah is vain.
[Abu Dawood]

Reminding one's self that only Allah is Baaqee and everything and everyone else is temporary makes the loss of all things in this transitory world easy and those with the reality of this concept in their hearts, do not get attached to anything.