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Your present state determines your future.
The human brain is a complex, self-organizing system.
成功不是偶然的,它是选择、坚持、学习、牺牲,以及最重要的,对所做之事的热爱。
Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job, buy the very best you can afford.