What makes a person happy and wise?
Taking life not very seriously of course but working with discrimination of right and wrong as one moves in life.
Enjoying each moment and not following in trap of mind for illusionary desire for accumulation of wealth, fame and power.
Keeping God in his prime importance in any thought and action, ready to improve as and when the inner God keeps guiding.
Leading a life always with smiling lips and face, ready to assist any needy where s/he can and add smile in them.
These qualities has all the probability to make one happy and wise.