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The study of the mind must be value-free.
The pursuit of mathematical knowledge is a journey that never ends; there is always more to discover and understand.
译文:教育小孩子应当严厉对待,严厉的态度能平定孩子心中的浮躁之气;对待小人应当用敬待的态度,敬待的态度可以感化其心中的邪气,即使感化不了,也可使自己免于被其所害。