| 1 | China's question is not benightedness in intelligence. | |
| 2 | Her powers had received no aid from education: she was ignorant and illiterate. | |
| 3 | But knowledge is preferable to ignorance. Better by far to embrace the hard truth than a reassuring fable. | |
| 4 | There are no census figures for these people , only uninformed guesses. | |
| 5 | The greatest of all the accomplishments of twentieth-century science has been the discovery of human ignorance . |