我们生来都是疯狂的，有些人一直如此。
We are all born mad. Some remain so.
The old believe everything; the middle-aged suspect everything; the young know everything.
人类的一代代后代，将取得令我们惊讶的成就，然而如果我们有想象力，未来的他们将会创造的一部分东西，已经可以用今天现有的材料和工具来制造。展开畅想吧。
I really don't remember much about Cleopatra. There were a lot of other things going on.
If everything was perfect, you would never learn and you would never grow.
农业的可持续性不是一种选择，而是生存的必需。