They perfect nature, and are perfected by experience: for natural abilities are like natural plants, that need proyning by study; and studies themselves do give forth directions too much at large, except they be bounded in by experience. 读书补天然之不足,经验又补读书之不足,盖天生才干犹如自然花草,读书然后知如何修剪移接,而书中所示,如不以经验范之,则又大而无当。 Crafty men contemn studies, simple men admire them, and wise men use them; for they teach not their own use; but that is a wisdom without them, and above them, won by observation. Read not to contradict and confute; nor to believe and take for granted; nor to find talk and discourse; but to weigh and consider. 有一技之长者鄙读书,无知者羡读书,唯明智之士用读书,然书并不以用处告人,用书之智不在书中,而在书外,全凭观察得之。读书时不可存心诘难读者,不可尽信书上所言,亦不可只为寻章摘句,而应推敲细思。