Man is compulsive and daring in dealing with life out in the wild carelessly threads the uncertainty heading into the field to seek luck and expecting reward of his action even though he does not quite know lot of things happen beyond one's control.
Man is persistent and aggressive at getting what he wanted in this life rushing into things without much thought vying for secular success and pleasures instead of securing better options to deal not knowing that in the end he only get nil.
Being human, man becomes susceptible ruining his life by circumstance of ignorance at indulging in making abrupt unwise decisions tries to satisfy his craving for own self exaltation over others in the pursuit of his greedy ambitions.