历史不仅仅是事件的记录；它是一个民族的灵魂，是他们的梦想与奋斗。
如果时空穿梭是可能的，那从未来穿越回来的旅客在哪里呢？
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
Sometimes the things that are most real are the things you can't see.
To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
【解释】浓烈、肥腻、辛辣的刺激不是本真滋味，平淡自然才是真实的生活；才智超凡的人，不是完美的人，真正的完人，看起来平凡无奇。