To imagine is everything, to know is nothing at all.
我的生命是有限的，而知识是无限的。用有限的生命去追求无限的知识，是很危险的！
"In the end, we will remember not the words of our enemies, but the silence of our friends."
No man knows, or ever will know, the truth about the gods and about everything I speak of; for even if one chanced to say the complete truth, yet one knows it not; but seeming is wrought over all things.