"The only true wisdom is in knowing you know nothing."
A mathematician is a device for turning coffee into theorems.
"Escrever é uma forma de resistência, de manter viva a memória e a identidade de um povo."
Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.