While the tricks are helpful in learning things like lists, and they exercise your brain, the underlying aid to mind exercise is to focus on what you're looking at or thinking about.

这些技巧有利于记住如名单等一些东西，同时它们锻炼了你的大脑，这个思维锻炼的潜在手段能够使你的注意力集中在所看所想的东西上。

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Only at the time when one's breathing, mind and posture get into one, one is in the condition of yoga exercise.

只有当呼吸、意识和姿势结合成一体时，才是真正的瑜伽练习。

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The mind needs exercise as well as the body.

大脑同身体一样需要锻炼。

《牛津词典》

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