Nations are not born, but made. And they are made, ineluctably, in language. Christopher Looby
Language is the only homeland. Czesław Miłosz
Stability in language is synonymous with rigor mortis. Ernest Weekley
I speak Spanish to God, Italian to women, French to men, and German to my horse. Charles V (attrib.)
A language is a dialect that has an army and a navy. Max Weinreich
The limits of my language mean the limits of my world. Ludwig Wittgenstein
An idea does not pass from one language to another without change. Miguel de Unamuno
If we spoke a different language, we would perceive a somewhat different world. Ludwig Wittgenstein
If the English language made any sense, lackadaisical would have something to do with a shortage of flowers. Doug Larson
Life is too short to learn German. Richard Porson
A nation is the universality of citizens speaking the same tongue. Giuseppe Mazzini