第一百八十三章 夫子故地兴算学(1 / 2)

刘洪相貌清癯,须发皓白,推辞道:“老朽年近七十,何堪使用将军请回吧。”

刘备笑道:“刘公于天文、历法、算术皆精通,尤其是珠算一道,非只是便民之术,乃可开新学之基。若不吝于教授,可开一学宫,集合教授,广招门徒,将公平生所学发扬光大,留名青史,不亦可乎”

刘洪抬眼望向刘备,道:“将军此言当真”他倾心于历法、算术等小道,从学者极少,远不如郑玄开经学从者之多,弟子中虽也有徐州陶商这样的世家公子,但毕竟太少,影响不大。如果刘备承担建设、师资、招生各种事宜,资助其办学,则弟子必众,从中挑选聪慧者,当可传承自己所学。

刘备道:“吾岂有虚言唯蒙阴偏僻,地处山间,不便招收学子。学宫可设于鲁县,此地乃夫子故里,文风鼎盛,东邻兖州,南接徐地,泗水贯穿,交通便利。于此地兴学,必可成就一段佳话。”

刘洪怦然心动。他已垂垂老矣,对政治、财富方面皆无所求,唯有身后名难以放下。越研究天文、算法越觉得里面大有学问,难以穷尽,而世人汲汲于儒术,不习此道,让他每长吁短叹,遗憾不已。

刘晔察言观色,亦道:“六艺礼、乐、射、御、书、数,数算位列其一,而世间莫传。数之一道亦经济之道,可用于丈量田亩、称量粮食、修建沟渠、导引灌溉,若能推而广之,大利于百姓,百姓必传唱刘公之德。晔亦对数算一道极有兴趣,愿就刘公学,请勿以晔年幼浅薄而拒之。”

刘晔乃是威加青、兖、豫、徐四州的镇东将军刘备信重之谋士,位卑权重,刘洪再无欲无求,也不会轻忽怠慢,顺势答应下来:“将军高义,诸君信赖,老朽敢不从命!必竭尽心力,将学办好。”

刘备大喜,便以轻车携刘洪一家北上。鲁县正在蒙阴西边,直行不到两百里,但中间多有山峦丘谷,车行不便。沂蒙山区就是此地。刘备等先北至梁甫,然后西行至汶阳,再南下至鲁县,将刘洪交于任铨,征调周边守兵及民夫,县城内起一学宫,名为“工农书院”,课程有数算、天文、历法、农桑、水利等,教课书有、、、、、、等。其中乃是前汉末年氾胜之所编纂的一本农书,认为“虽有石城汤池,带甲百万,而又无粟者,弗能守也。夫谷帛实天下之命”,正契合现在刘备要积蓄粮谷的战略。乃本朝冀州人崔寔所撰,四民即士、农、工、商。崔寔殁于公元170年,流传不广,刘备记起此书,曾派人去崔家誊抄,收于青州学宫。崔寔乃崔烈堂弟,其侄即崔钧崔州平。徐庶推荐崔钧、石韬等后,刘备派人延请,崔钧、石韬均不至。刘备表任的豫州牧徐璆延请崔钧为别驾、石韬为治中、应珣为主簿、陈化为部郡国从事、孟建为兵曹从事,众人皆就任。刘备得知,暗自叹息,更坚定了广开官学、教化百姓、择机以科举取士的决心。刘备因出身不高,这里不高非指宗室,指的是往上数几代都没出过二千石,宗室遍布天下,已不值钱,属于锦上添花,而非雪中送炭。刘晔、刘岱、刘繇等人皆宗室之后,无人注意此点。只有刘备、刘表、刘焉、刘虞等,世人才记得其为宗室之后,那只是因为四人已为一方诸侯。

刘洪曾与蔡邕为至交,夹袋中还是有不少人才,呼朋唤友,书信四飞,很快召集了十几个教授,把工农书院的架子给搭了起来。刘备也给刘洪出了几道题。他前世乃文科生,中学物理化学早就扔在上个世界了,连火药的配方都记不全,更遑论制造玻璃了。能记得的也就是:力的作用是相互的,力臂乘以力矩等于另一边力臂乘以力矩,势能可以转化为动能,滑轮组可以省力,抛物会沿抛物线运动,抛物从空中落在地上是因为有重力,滚动摩擦力小于滑动摩擦力。老实说,这些都是定论,为何会这样,刘备一概不知,但不妨碍他将这些定论抛给刘洪,让他去解出原因。这些理论也与刘备此前安排田豫在青州学宫秘密研究的攻城器械——配重式投石机有关。只有把这些研究清楚了,再辅之于实践,就能知道多重抛物、多大仰角、可以抛掷多远了,这在军事上也极有意义。

刘洪听了刘备所留问题,陷入了苦苦思索中。

公元193年七月,刘备回到临甾,与众臣先见了一面,处理了一些堆积的公务,便带着亲卫回家。

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