The Holy Quran has referred to the resurrection of the earth after the winter to remind humankind of Akhirah and how they will be resurrected on the Day of Judgment.
In short, day in and day out we come across the incidence of coming into life of the dead things, which makes the issue of resurrection though seemingly a difficult one, easy and simple to comprehend.
This is the struggle against one’s inner self (nafs) to subjugate and control one’s passions and carnal desires. The base self (nafs al-ammara) must be controlled by the conscience (nafs al-lawwama), and only when one succeeds in this struggle does one attain the perfect self, the self at peace with itself (nafs al-mutmainna).