There will have to be rigid and iron discipline before we achieve anything great and enduring, and that discipline will not come by mere academic argument and appeal to reason and logic. Discipline is learnt in the school of adversity.
It is a first class human tragedy that people of the earth who claim to believe in the message of Jesus, whom they describe as the Prince of Peace, show little of that belief in actual practice.
If as a member of a slave nation I could deliver the suppressed classes from their slavery without freeing myself from my own, I would do so today. But it is an impossible task.