人生没有如果，只有结果和后果。

拓扑学是对图形在任何变形下保持不变的性质的研究。

People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, 'Soften the orange a bit on the right hand corner.' I don't try to control a sunset. I watch with awe as it unfolds.

悲伤是私人的事。它需要多久就会持续多久。