As for the dinosaur - But Noah's conscience was easy; it was not named in his cargo list and he and the boys were not aware that there was such a creature. He said he could not blame himself for not knowing about the dinosaur, because it was an American animal and America had not then been discovered.
The self taught man seldom knows anything accurately, and he does not know a tenth as much as he could have known if he had worked under teachers, and besides, he brags, and is the means of fooling other thoughtless people into going and doing as he himself has done.
...the person that had took a bull by the tail once had learnt sixty or seventy times as much as a person that hadn't, and said a person that started in to carry a cat home by the tail was getting knowledge that was always going to be useful to him, and warn't ever going to grow dim or doubtful. Chances are, he isn't likely to carry the cat that way again, either. But if he wants to, I say let him!
A crime persevered in a thousand centuries ceases to be a crime, and becomes a virtue. This is the law of custom, and custom supersedes all other forms of law.