Time is not a thing, thus we can neither waste nor save it; it is always with us.  
时间并非实物,因此我们既无法浪费也无法节省;它始终与我们同在。
在科学中最令人兴奋的短语,预示着新发现的,不是“我找到了!”而是“这有点奇怪...”
The laws of behavior can be derived from basic physiological principles.
Nothing has really happened until it has been recorded.