Everybody sets out to do something, and everybody does something, but no one does what he sets out to do.
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Some men spend their lives watching bees and ants, noting down the habits of these insects; my pleasure is to watch the human mind, noting how unselfish instincts rise to the surface and sink back again, making way for selfish instincts, each equally necessary, for the world would perish were it to become entirely selfish or entirely unselfish.
I hear, 'But why do poor people make such bad decisions?' But actually, their decision-making can be far more complex than that of the better-off in many ways. They're not financially illiterate: they're constantly weighing up choices based on the reality of poverty. Somehow the international development community has resisted accepting this.
The importance in what we're seeing in countries around the world is a poorly regulated and poorly functioning private sector using irrational and ineffective medications that result in the emergence of drug-resistance tuberculosis. What we've done is begun a program to rapidly improve infection control in places that are treating TB patients.