Nothing is possible without men; nothing is lasting without institutions.
People only accept change when they are faced with necessity, and only recognize necessity when a crisis is upon them.
There is no future for the people of Europe other than in union.
The fusion (of economic functions) would compel nations to fuse their sovereignty into that of a single European State.
Via money Europe could become political in five years
There is no real peace in Europe, if the states are reconstituted on a basis of national sovereignty. (…) They must have larger markets. Their prosperity is impossible, unless the States of Europe form themselves in a European Federation.