The truth is, you can't outrun your past. No matter how fast you go, it's always right there behind you.
集合论的悖论不应被视为理论本身的不一致,而应被视为表明某些被认为有效的推理方法实际上并非如此。
The energy crisis is a solvable problem—if we act now.
The most important thing is to keep the audience engaged.