The language of mathematics is universal, transcending cultural and linguistic barriers.
Cada livro é uma viagem para um mundo desconhecido, cheio de possibilidades.
I don’t really have studios. I wander around around people’s attics, out in fields, in cellars, anyplace I find that invites me.
Don't drift into self-pity because it doesn't solve any problems.
The only time success comes before work is in the dictionary.