In this world, all inhabitants are impermanence. In particular, the life of all beings is like a bubble, death comes without warning, this body will be a corpse, at that time, the dharma will be I only help, I must practice it with exertion.
We cannot cling to our ego all the time. Shunyata, or emptiness, means that there is no real substance to hang on to. Everything could be and would be and should be subject to decay and change.