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When you do something best in life, you don’t really want to give that up – and for me it’s tennis.
The best way to understand something is to try to change it.
The only limits that exist are the ones in your mind.
让人们保持被动和顺从的聪明方法是严格限制可接受意见的范围,但在该范围内允许非常活跃的辩论。