Dumouriez's defection lent greater credence to this belief. However, there is no concrete evidence to give credence to these concerns. To give the philosophers greater credence, Plato gave the sophists a negative connotation. He provides a detailed timeline that lends credence to this view. It also contains a request that full credence be accorded to his official statements. For Hume, this refusal to grant credence does not guarantee correctness. However, no credence is now given to that view. Based on historical sources, no one else appears to have given the story credence. This claim, too, failed to gain credence. Harrison indicated that he did not give much credence to this idea. Some Muslims give little to no credence to the Hadith. What we say now has some credence. The performance emulated a railroad trip, perhaps lending credence to the "train theory". How much credence should we put on these people? They are gaining credence and ground in both the academic world and the working world.