That is human life.

A child's first act knocks over the initial brick, and the rest will follow inexorably.

If you could see into the future, as I can, you would see everything that was going to happen to that creature; for nothing can change the order of its life after the first event has determined it.

That is, nothing will change it, because each act unfailingly begets an act, that act begets another, and so on to the end, and the seer can look forward down the line and see just when each act is to have birth, from cradle to grave." "Does God order the career ?" "Foreordain it?
No.

The man's circumstances and environment order it.
His first act determines the second and all that follow after.