Dwarves are not heroes, but a calculating folk with a great idea of the value of money; some are tricky and treacherous and pretty bad lots; some are not but are decent enough people like Thorin and Company, if you don't expect too much.
it was easier to believe in the Dragon and less easy to believe in Thorin in these wild parts
Where did you go to, if I may ask?' said Thorin to Gandalf as they rode along. To look ahead,' said he. And what brought you back in the nick of time?' Looking behind,' said he.