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.

You can have anything you want if you want it enough.

We are all prisoners of our own minds.

The most profound insights in mathematics often come from unexpected analogies.