Authors:

the best way to sharpen a knife is not to whet one side of it only. And neither can you solve a riddle by considering only one end of it.

Ama Ata Aidoo (1987). “The dilemma of a ghost ; Anowa: two plays”, Prentice Hall
the best way to sharpen a knife is not to whet one side of it only. And neither can you solve a riddle by considering only one end of it.