在不确定的时代，灵活性比长期计划更重要。
In uncertain times, flexibility is more important than long-term planning.
睡得早起得早，使人聪明、富有、身体好。
"History is not just a record of the past, but a mirror reflecting the present."
要理解行为，我们必须从生存和适应的背景中审视其目的。