Our lives are much more predetermined than we think. Genetics play a role in our intelligence, personalities, physical abilities, and looks. Wealth of a family aside, some are born better off than others and the discrepancies usually only magnify from there as the best students/athletes/etc. at a young age are grouped into advanced level programs and leagues where they are trained at a higher level than the rest.
Kind of like what @CertifiedFlyBoi23 was saying although I wouldn't go as far to say that it is destiny that we are doing whatever action we are currently doing. Some of our choices are influenced by genetics since our personalities and preferences come into play, but not every choice we make is influenced by predetermined things.
Edited by AgentZero - 1/5/14 at 5:16pm