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The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence.
In science, the most dangerous phrase is 'We've always done it this way.'
Get busy living, or get busy dying.
If you can't understand why someone is doing something, look at the consequences of their actions, whatever they might be, and then infer the motivations from their consequences.
Materials are the words of architecture.