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森林不仅仅是一种资源,更是我们留给后代的遗产。
Your brain is your most important asset; take care of it.
"Traveling is a brutality. It forces you to trust strangers and to lose sight of all that familiar comfort of home and friends. You are constantly off balance. Nothing is yours except the essential things: air, sleep, dreams, the sea, the sky - all things tending towards the eternal or what we imagine of it."
The Langlands conjectures suggest that there is a hidden harmony between different areas of mathematics.