我们现代的头骨里装着一个石器时代的心智。

The historian’s first duty is to the truth.

Grain farming is both an art and a science—requiring intuition as much as data.

解释：对上天表示恭敬，不仅是指态度上恭顺守礼，还应该具备实际内容。

作家是一面反映世界复杂性的镜子。