Only disciplined people become free, but their discipline is not obedience to others: their discipline is obedience to their own inner voice. And they are ready to risk anything for it.
If you have not even a little imagination, you are simply a brute. So you must not lower your ideal, neither are you to lose sight of practicality. We must avoid the two extremes.... You must try to combine in your life immense idealism with immense practicality.