Wouldn't it be nice if we could be sure of a sunny day
若我们在邀请朋友前
before inviting our friends?
能确定是晴天 不是很好吗?
Predicting a nice day should be relatively simple.
预测好天气应该相当简单才对
After all,we understand pretty well how the atmosphere reacts to heat and pressure...
毕竟我们非常清楚 大气在高温和压力下
to form clouds and thunderstorm.
会如何形成云层和暴风雨
But no matter how hard we tried to compete all the details
但不论我们多么努力计算所有细节
it is impossible to say exactly what the weather would be in any particular place and time.
仍然无法确定在某个地点 某个时间的天气究竟会怎样
Instead,we make weather forecasts
但我们还是做天气预测
using simplified models that don't take into account
利用无法考虑到
every single tiny variable.
每个小小变数的简化模型
But tiny variables can have big consequences.
但小小的变数就能造成严重的后果
So,if a butterfly flaps its wings too hard in the Amazon
所以若一只蝴蝶在亚马逊河过于用力拍翅膀
The barbecue might be a wash out.
烤肉聚会就可能成了落汤鸡
It's a complex system.
这是一个复杂的系统
I think our brains are just another complex system.
我认为人的大脑也只是 另一个复杂的系统
like the earth's atmosphere.
就如同地球的大气层
We abide by the physical laws.
我们遵守自然法则
yet are impossible to fully predict.
然而却无法完全预测
The mind is like weather inside our heads.
心灵就好比大脑里的天气形态