| 1 | Curiosity is part of the children's nature. | |
| 2 | This should become second nature. | |
| 3 | This common liberty results from the nature of man. | |
| 4 | Cruelty and the fighting instinct have not yet been bred out of the human species. | |
| 5 | Jesus says this childlike nature is necessary to enter the kingdom of heaven. |