The Langlands program is a vision of how mathematics could be seen as a single, coherent whole.

Truth, in the matters of religion, is simply the opinion that has survived.

Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.