the pen is mightier than the sword (more power can achieved writing than fighting)

the spirit is willing but the flesh is weak (achieving something is made impossible by frailty)

(Brazil) the shoemaker's children go barefoot (one often neglects those closest to oneself)

there are none so blind as those who will not see

a man's home is his castle

(humorous, vulgar) a small problem does not make a difference when there is a much bigger problem

Alternative form of voz do povo, voz de Deus

(Portugal) revenge is a dish best served cold

(Brazil) in the land of the blind, the one-eyed man is king

(Brazil) a chain is only as strong as its weakest link