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生命中最偉大的榮耀不在于從不跌倒，而在于每次跌倒后都能爬起來。

The most damaging phrase in the language is: 'It's always been done this way.'

The limits of my language mean the limits of my world.

I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant, and with five I can make him wiggle his trunk.'

實現明天理想的唯一障礙是今天的疑慮。