Sex and gender are such befuddling mysteries even for those of us who are in the mainstream that you'd think we'd be wary of being judgmental. Yet much of society clings to a view that gender is completely binary, when, in fact, there's overwhelming evidence of a continuum.

I do think that humanitarians and journalists alike have focused on all the things that go wrong, and that they sometimes leave the perception in the public that the war on poverty has been lost. That Africa is just a bottomless pit of despair. When, in fact, really the opposite is true on both fronts.

I've always been interested in public health approaches because it seems to me we have this yearning for silver bullets, and that is not in fact how change comes about. Change comes through silver buckshot - a lot of little things that achieve results. That's a classic public health approach.

I don't mind being single. In fact, I like it.

I think the adverb is a much-maligned part of speech. It's always accused of being oppressive, even tyrannical, when in fact it's so supple and sly.

In fact history does not belong to us; but we belong to it.