Always be yourself, express yourself, have faith in yourself, do not go out and look for a successful personality and duplicate it.
Ever since I was a child I have had this instinctive urge for expansion and growth. To me, the function and duty of a quality human being is the sincere and honest development of one's potential.
Notice that the stiffest tree is most easily cracked, while the bamboo or willow survives by bending with the wind.