虽然无法改变过去，但可以改变未来。
当人们做不到一些事情的时候，他们就会对你说你也同样不能。
真正的科学首先教会人怀疑与承认无知。
The mind is divided into parts that sometimes conflict. Like a rider on the back of an elephant, the conscious, reasoning part of the mind has only limited control over the automatic, emotional part.
The historian’s task is to understand the past, the novelist’s to make it live.
To be alive is to be mortal. To be alive is to be, from moment to moment, a survivor.