"The African prisoners are orderly and peaceable among themselves"

This quote by Lewis Tappan recommends that the African detainees he observed were well-behaved and cooperative with one another. This could be interpreted as an indication of respect and understanding between the detainees, or it might be a sign of fear and submission. It could also suggest uniformity, as the detainees might have been unified in their shared experience of oppression and injustice.

The quote could likewise be translated as a sign of the prisoners' resilience and strength in the face of adversity. In spite of their difficult situations, they had the ability to keep a sense of order and peace amongst themselves. This could be seen as a testament to their guts and decision to make it through and flourish in the face of oppression.

Overall, this quote by Lewis Tappan is a testament to the strength and resilience of the African detainees he observed. It is a pointer of the power of the human spirit to overcome even the most challenging of situations.