圣人不贵尺之壁而重寸之阴,时难得而易失也。
【大意】古来圣哲不珍视直径成尺的璧玉,却珍重每一寸光阴,因为时间最是难得,却最容易失去。
我们今天开采的石料,就是留给后世的遗产。
The true value of education is not just in the accumulation of facts, but in the training of the mind to think critically and creatively.