The substitution of the internal combustion engine for the horse marked a very gloomy milestone in the progress of mankind.
Science has given to this generation the means of unlimited disaster or of unlimited progress. There will remain the greater task of directing knowledge lastingly towards the purpose of peace and human good.
We are not meant to find peace in this world. The spirit of life cannot exist without effort. Destroy the rivalries of man and nations and you will have destroyed all that makes for betterment and progress on Earth.
Unless some effective supranational government can be set up and brought quickly into action, the prospects of peace and human progress are dark and doubtful.