As long as there are sovereign nations possessing great power, war is inevitable.
The most important tool of the theoretical physicist is his wastebasket.
Mere thinking cannot reveal to us the highest purpose.
Whoever is careless with the truth in small matters cannot be trusted in important affairs.
The pioneers of a warless world are the young men (and women) who refuse military service.
May the conscience and the common sense of the peoples be awakened, so that we may reach a new stage in the life of nations, where people will look back on war as an incomprehensible aberration of their forefathers!