That we are surrounded by deep mysteries is known to all but the incurably ignorant. - Chinua Achebe

While we do our good works let us not forget that the real solution lies in a world in which charity will have become unnecessary.

And theories are no more than fictions which help us to make sense of experience and which are subject to disconfirmation when their explanations are no longer adequate.

"We cannot trample upon the humanity of others without devaluing our own. The Igbo, always practical, put it concretely in their proverb Onye ji onye n'ani ji onwe ya: "He who will hold another down in the mud must stay in the mud to keep him down.