试错的成本是最低的。

Innovation in quarrying isn't just about new machinery; it's about reimagining our relationship with the earth we extract from.

假装谦虚往往就是信口开河，有时候简直是拐弯抹角的自夸。

Writing is a way of preserving the truth.

解释：百姓参加了劳动就会因劳累而去思考如何节俭律己，若经常思考这些问题，就会使自己的心地善良起来；无所事事就会放肆起来，一旦放肆，就会忘掉善良，没有善良就会滋生作恶之心。