◎白首窮經(jīng)báishǒu-qióngjīng
[to continue to study even in old age] 白首:頭發(fā)白了;窮經(jīng):專心鉆研經(jīng)書、古籍。頭發(fā)白了，仍在專心研究經(jīng)書、古籍。形容老而好學(xué)
壬子歲，復(fù)降璽書諭特立曰:白首窮經(jīng)，誨人不倦，無過不及，學(xué)者宗之，昔已賜嘉名，今復(fù)諭意?！?span id="9xop75j" class="bold">《元史·張?zhí)亓鳌?/span>
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