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 AidooSoyinka's Death at Dawn, Auden's Musรฉe des Beaux Arts, Stevie Smith's Not Waving but Drowning and Wislawa Szymborska's Some People come to mind immediately. But there are plenty, plenty more that I enjoy.
Ama Ata Aidoo