| Darwin understood that the most convincing evidence for evolution was in the imperfection of nature and the jury-rigged structure of adaptation. |
| You can see the actual nerves inside the spinal column, plain as plain, and every tiny dint and imperfection on the vertebrae. |
| He realized that there was usually a very small period of time between family perfection and family imperfection. |
| Without this slight imperfection in the mechanism of DNA replication we would still be swimming round in the primeval soup. |
| There's nothing at all wrong with a bit of human imperfection here and there. |
| While the free market is not a perfect solution, because of human imperfection, it is the best solution. |
