"I had always regarded language as more a question of utility than identity. Therefore, I promptly noted that all the (EU) meetings should be conducted in English and French. My older colleagues laughed. Later I understood why. On the second day of the Finnish presidency (of the EU) a German delegation refused to participate in an informal ministerial meeting because no German interpretation had been arranged."
January 1, 1970
https://en.wikiquote.org/wiki/Alexander_Stubb