宇宙是一个庞大而复杂的系统，理解它需要理论洞察力和观测证据。
The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.
The world is changing rapidly, and we must adapt or be left behind.
The future depends on what you do today.
效法的人如果不仁义，我们就不可以效法他。治理国家，管理人民应当要以人为本，用仁义管理世俗。
Man's freedom is his limitation.