The will is never free -- it is always attached to an object, a purpose. It is simply the engine in the car -- it can't steer.

Summary

This quote suggests that the will of individuals is not truly free, but rather always driven by an object or purpose. It compares the will to an engine in a car, implying that it lacks the ability to guide or direct itself independently. In other words, the quote suggests that human willpower is constrained by external influences and goals, indicating that our actions are always motivated by something or working towards a specific objective.