Taking birth in Kali-yuga itself shows that we have no qualification ; Sri Chaitanya Mahaprabhu therefore manifests ultimate mercy.
Hankering after material happiness is called Lust & such activities are sure to meet with frustration in the long run.
The rose in the garden gradually takes its shape and color to become beautiful and sweet not by a blind physical law, although it appears like that. Behind that physical law is the direction of the complete consciousness of the Supreme Lord.
Srimad Bhagavatam 2.10.49-50