"A smile is just such an amazing thing. And to think that some of those people can now smile because they can see you, that gives me that sort of charge, energy... that's what powers up my batteries. That's the joy that I have and that keeps me going. That's my rocket fuel, I suppose."

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What is striking is these things [patterns in nature, e.g. fish stripes] do look like something that has been crafted. We are conditioned to think that a pattern needs a patterner and so at first glance it seems incredible to us that nature is able to do this, without any sort of blueprint, without any sort of plan. These patterns organise themselves, that is the amazing thing.

— Philip Ball