Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

The historian’s first duty is to the truth.

你们会在严峻的现实之下选择放弃，还是会义无反顾地前行？

每一块面包都讲述着工艺和奉献的故事。

解析：这句话揭示了道的本质：道是可以阐述说明的，但并非寻常的道理；名是可以命名的，但并非通常的名称。