When you leave school or college, someone will inevitably point out that it is not the end but only the beginning of learning.

Usually, but again, not necessarily.

For it is about our actions that we deliberate and inquire, and all our actions have a contingent character; hardly any of them are determined by necessity.

But the notion that we must be adversaries is not predestined -- not when we consider the past.

Some analysts feel this is almost inevitable.