“Pessoas que são boas em arranjar desculpas raramente são boas em qualquer outra coisa.”
Original
He that is good for making excuses is seldom good for anything else.
Citações relacionadas

“Qualquer pessoa pode ser boa no campo.”

Religion is an insult to human dignity. With or without it you would have good people doing good things and evil people doing evil things. But for good people to do evil things, that takes religion.
Discurso durante a Conferência sobre Design Cósmico, Associação Americana para o Avanço da Ciência, Washington, D.C. (abril 1999)
Sourced

It is a good thing to demand liberty for ourselves and for those who agree with us, but it is a better thing and a rarer thing to give liberty to others who do not agree with us
The public papers and addresses of Franklin D. Roosevelt: with a a special introd. and explanatory notes by President Roosevelt: Volume 2 - página 497, Franklin Delano Roosevelt - Random House, 1938